./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.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_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/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_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/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_d621968c-16fa-4560-b591-2c7164b05728/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 802be743cfa79430fe29fdc090ef145d830f22b73f5bbaa3ca042d397672c148 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:45:01,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:45:01,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:45:01,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:45:01,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:45:01,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:45:01,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:45:01,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:45:01,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:45:01,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:45:01,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:45:01,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:45:01,418 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:45:01,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:45:01,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:45:01,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:45:01,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:45:01,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:45:01,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:45:01,423 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:45:01,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:45:01,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:45:01,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:45:01,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:45:01,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:45:01,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:45:01,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:01,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:45:01,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:45:01,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:45:01,430 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:45:01,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:45:01,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:45:01,431 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_d621968c-16fa-4560-b591-2c7164b05728/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 802be743cfa79430fe29fdc090ef145d830f22b73f5bbaa3ca042d397672c148 [2023-11-19 03:45:01,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:45:01,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:45:01,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:45:01,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:45:01,857 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:45:01,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c [2023-11-19 03:45:05,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:45:05,741 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:45:05,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c [2023-11-19 03:45:05,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data/b1217aece/d1ce29664e1a45d685e0f4dc5e16d681/FLAG630f49dce [2023-11-19 03:45:05,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data/b1217aece/d1ce29664e1a45d685e0f4dc5e16d681 [2023-11-19 03:45:05,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:45:05,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:45:05,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:05,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:45:05,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:45:05,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:05" (1/1) ... [2023-11-19 03:45:05,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3777904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:05, skipping insertion in model container [2023-11-19 03:45:05,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:05" (1/1) ... [2023-11-19 03:45:05,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:45:05,971 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_d621968c-16fa-4560-b591-2c7164b05728/sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c[1242,1255] [2023-11-19 03:45:05,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:05,995 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:45:06,008 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_d621968c-16fa-4560-b591-2c7164b05728/sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c[1242,1255] [2023-11-19 03:45:06,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:06,032 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:45:06,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06 WrapperNode [2023-11-19 03:45:06,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:06,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:06,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:45:06,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:45:06,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,069 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-11-19 03:45:06,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:06,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:45:06,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:45:06,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:45:06,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:45:06,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:45:06,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:45:06,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:45:06,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:06,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:45:06,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:45:06,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:45:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:45:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_32_0 [2023-11-19 03:45:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_32_0 [2023-11-19 03:45:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:45:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:45:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:45:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:45:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:45:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:45:06,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:45:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:45:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:45:06,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:45:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:45:06,273 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:45:06,275 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:45:06,463 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:45:06,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:45:06,491 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:45:06,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:06 BoogieIcfgContainer [2023-11-19 03:45:06,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:45:06,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:45:06,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:45:06,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:45:06,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:06" (1/1) ... [2023-11-19 03:45:06,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:45:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 03:45:06,599 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 03:45:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:06,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:06,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:45:06,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:45:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:45:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:45:06,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:45:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:45:06,998 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:45:07,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 03:45:07,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-19 03:45:07,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 03:45:07,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 03:45:07,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 03:45:07,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:45:07 ImpRootNode [2023-11-19 03:45:07,043 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:45:07,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:45:07,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:45:07,045 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:45:07,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:06" (3/4) ... [2023-11-19 03:45:07,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:45:07,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:45:07,053 INFO L158 Benchmark]: Toolchain (without parser) took 1276.24ms. Allocated memory is still 167.8MB. Free memory was 137.9MB in the beginning and 89.3MB in the end (delta: 48.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 03:45:07,053 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:45:07,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.23ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 126.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:45:07,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.25ms. Allocated memory is still 167.8MB. Free memory was 126.6MB in the beginning and 125.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:45:07,057 INFO L158 Benchmark]: Boogie Preprocessor took 30.53ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 123.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:45:07,058 INFO L158 Benchmark]: RCFGBuilder took 397.68ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 109.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:45:07,059 INFO L158 Benchmark]: CodeCheck took 543.08ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 89.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:45:07,060 INFO L158 Benchmark]: Witness Printer took 6.04ms. Allocated memory is still 167.8MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:45:07,069 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 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: 43]: 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 to_int at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82. Possible FailurePath: [L78] int r; [L79] double a; [L80] double x; [L81] a = __VERIFIER_nondet_double() [L82] EXPR \read(a) [L82] x = a / 2.0 [L83] r = 0 VAL [a={23638:0}, r={23640:0}, x={23639:0}] [L84] CALL func_to_recursive_line_0_to_32_0(&a, &x, &r) VAL [a={23638:0}, r={23640:0}, x={23639:0}] [L58] EXPR \read(*r) [L58] EXPR \read(*r) [L58] EXPR \read(*a) [L58] EXPR \read(*r) [L58] EXPR \read(*x) VAL [a={23638:0}, a={23638:0}, r={23640:0}, r={23640:0}, x={23639:0}, x={23639:0}] [L58] CALL __VERIFIER_assert(((int) (((((*r) * (*r)) - (*a)) - (*r)) + (2 * (*x)))) == 0) VAL [\old(cond)=0] [L39] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L43] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.23ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 126.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.25ms. Allocated memory is still 167.8MB. Free memory was 126.6MB in the beginning and 125.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.53ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 123.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.68ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 109.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 543.08ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 89.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 6.04ms. Allocated memory is still 167.8MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:45:07,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/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_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/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_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/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_d621968c-16fa-4560-b591-2c7164b05728/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 802be743cfa79430fe29fdc090ef145d830f22b73f5bbaa3ca042d397672c148 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:45:09,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:45:09,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:45:10,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:45:10,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:45:10,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:45:10,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:45:10,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:45:10,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:45:10,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:45:10,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:45:10,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:45:10,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:45:10,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:45:10,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:45:10,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:45:10,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:45:10,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:45:10,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:45:10,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:45:10,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:45:10,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:45:10,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:45:10,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:45:10,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:45:10,068 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:10,069 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:45:10,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:45:10,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:10,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:45:10,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:45:10,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:45:10,072 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:45:10,073 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:10,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:45:10,073 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:45:10,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:45:10,074 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_d621968c-16fa-4560-b591-2c7164b05728/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 802be743cfa79430fe29fdc090ef145d830f22b73f5bbaa3ca042d397672c148 [2023-11-19 03:45:10,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:45:10,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:45:10,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:45:10,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:45:10,608 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:45:10,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c [2023-11-19 03:45:13,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:45:13,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:45:13,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c [2023-11-19 03:45:13,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data/e5f5cd661/ea0dd0a32157448480e71cbfe990b6db/FLAG8af81bf45 [2023-11-19 03:45:13,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/data/e5f5cd661/ea0dd0a32157448480e71cbfe990b6db [2023-11-19 03:45:13,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:45:13,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:45:13,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:13,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:45:13,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:45:13,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:13,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554f2aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:13, skipping insertion in model container [2023-11-19 03:45:13,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:13" (1/1) ... [2023-11-19 03:45:14,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:45:14,164 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_d621968c-16fa-4560-b591-2c7164b05728/sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c[1242,1255] [2023-11-19 03:45:14,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:14,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:45:14,212 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_d621968c-16fa-4560-b591-2c7164b05728/sv-benchmarks/c/recursified_nla-digbench/recursified_freire1.c[1242,1255] [2023-11-19 03:45:14,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:14,249 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:45:14,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14 WrapperNode [2023-11-19 03:45:14,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:14,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:14,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:45:14,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:45:14,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,310 INFO L138 Inliner]: procedures = 21, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-19 03:45:14,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:14,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:45:14,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:45:14,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:45:14,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:45:14,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:45:14,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:45:14,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:45:14,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:14" (1/1) ... [2023-11-19 03:45:14,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:14,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:45:14,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:45:14,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:45:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:45:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:45:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_32_0 [2023-11-19 03:45:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_32_0 [2023-11-19 03:45:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:45:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:45:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:45:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:45:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:45:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:45:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:45:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:45:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:45:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:45:14,573 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:45:14,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:45:16,652 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:45:16,691 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:45:16,691 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:45:16,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:16 BoogieIcfgContainer [2023-11-19 03:45:16,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:45:16,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:45:16,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:45:16,711 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:45:16,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:16" (1/1) ... [2023-11-19 03:45:16,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:45:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 03:45:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 03:45:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:16,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:16,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:45:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:45:16,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:45:16,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d621968c-16fa-4560-b591-2c7164b05728/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:45:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:45:17,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:45:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat