./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9 --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 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:25:10,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:25:10,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:25:10,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:25:10,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:25:10,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:25:10,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:25:10,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:25:10,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:25:10,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:25:10,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:25:10,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:25:10,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:25:10,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:25:10,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:25:10,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:25:10,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:25:10,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:25:10,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:25:10,561 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:25:10,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:25:10,563 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:25:10,563 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:25:10,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:25:10,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:25:10,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:25:10,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:10,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:25:10,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:25:10,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:25:10,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:25:10,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:25:10,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:25:10,576 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 [2023-12-03 01:25:10,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:25:10,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:25:10,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:25:10,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:25:10,817 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:25:10,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-12-03 01:25:13,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:25:13,730 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:25:13,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-12-03 01:25:13,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data/0542ee6e0/b3a6a160cd194034a3b0605452635609/FLAG04d43f898 [2023-12-03 01:25:13,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data/0542ee6e0/b3a6a160cd194034a3b0605452635609 [2023-12-03 01:25:13,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:25:13,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:25:13,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:13,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:25:13,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:25:13,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:13,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f79d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13, skipping insertion in model container [2023-12-03 01:25:13,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:13,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:25:13,912 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-12-03 01:25:13,921 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-12-03 01:25:13,925 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-12-03 01:25:13,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:13,938 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:25:13,949 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-12-03 01:25:13,952 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-12-03 01:25:13,955 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-12-03 01:25:13,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:13,967 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:25:13,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13 WrapperNode [2023-12-03 01:25:13,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:13,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:13,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:25:13,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:25:13,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:13,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:13,993 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 29 [2023-12-03 01:25:13,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:13,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:25:13,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:25:13,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:25:14,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:25:14,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:25:14,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:25:14,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:25:14,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:13" (1/1) ... [2023-12-03 01:25:14,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:14,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:25:14,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:25:14,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:25:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:25:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:25:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:25:14,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:25:14,119 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:25:14,121 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:25:14,212 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:25:14,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:25:14,231 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:25:14,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:14 BoogieIcfgContainer [2023-12-03 01:25:14,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:25:14,234 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:25:14,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:25:14,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:25:14,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:14" (1/1) ... [2023-12-03 01:25:14,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:25:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-03 01:25:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-03 01:25:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:25:14,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:14,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:25:14,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:25:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:25:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:25:14,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:25:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:25:14,432 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:25:14,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:25:14 ImpRootNode [2023-12-03 01:25:14,452 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:25:14,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:25:14,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:25:14,453 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:25:14,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:14" (3/4) ... [2023-12-03 01:25:14,456 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:25:14,457 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:25:14,458 INFO L158 Benchmark]: Toolchain (without parser) took 707.48ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 56.0MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 01:25:14,458 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:25:14,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.42ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 78.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:25:14,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.67ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:25:14,460 INFO L158 Benchmark]: Boogie Preprocessor took 15.65ms. Allocated memory is still 138.4MB. Free memory was 77.5MB in the beginning and 76.5MB in the end (delta: 966.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:25:14,461 INFO L158 Benchmark]: RCFGBuilder took 223.36ms. Allocated memory is still 138.4MB. Free memory was 76.0MB in the beginning and 67.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:25:14,461 INFO L158 Benchmark]: CodeCheck took 217.79ms. Allocated memory is still 138.4MB. Free memory was 67.2MB in the beginning and 56.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:25:14,462 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 138.4MB. Free memory was 56.5MB in the beginning and 56.0MB in the end (delta: 468.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:25:14,465 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, 14 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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: 25]: 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 someBinaryFLOATComparisonOperation at line 25, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L49] CALL multiply() [L20] float f1=0x1.000000p-1f; [L21] float f2=0x1.fffffep-126f; [L23] float res = f1 * f2; VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L25] COND TRUE !(res == 0x1.0p-126f) VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L25] reach_error() VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.42ms. Allocated memory is still 138.4MB. Free memory was 91.2MB in the beginning and 78.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.67ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.65ms. Allocated memory is still 138.4MB. Free memory was 77.5MB in the beginning and 76.5MB in the end (delta: 966.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 223.36ms. Allocated memory is still 138.4MB. Free memory was 76.0MB in the beginning and 67.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 217.79ms. Allocated memory is still 138.4MB. Free memory was 67.2MB in the beginning and 56.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 138.4MB. Free memory was 56.5MB in the beginning and 56.0MB in the end (delta: 468.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:25:14,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9 --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 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:25:16,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:25:16,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:25:16,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:25:16,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:25:16,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:25:16,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:25:16,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:25:16,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:25:16,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:25:16,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:25:16,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:25:16,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:25:16,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:25:16,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:25:16,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:25:16,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:25:16,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:25:16,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:25:16,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:25:16,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:25:16,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:25:16,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:25:16,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:25:16,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:25:16,610 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:16,610 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:25:16,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:25:16,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:16,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:25:16,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:25:16,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:25:16,613 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:25:16,613 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:16,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:25:16,614 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:25:16,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:25:16,614 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 [2023-12-03 01:25:16,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:25:16,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:25:16,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:25:16,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:25:16,921 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:25:16,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-12-03 01:25:19,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:25:19,944 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:25:19,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2023-12-03 01:25:19,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data/79c7de96a/b8f3e0446e9241f28eefa450b6ddf13c/FLAGc25d76bd8 [2023-12-03 01:25:19,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/data/79c7de96a/b8f3e0446e9241f28eefa450b6ddf13c [2023-12-03 01:25:19,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:25:19,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:25:19,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:19,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:25:19,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:25:19,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64847f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19, skipping insertion in model container [2023-12-03 01:25:19,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:20,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:25:20,170 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-12-03 01:25:20,181 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-12-03 01:25:20,187 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-12-03 01:25:20,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:20,208 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:25:20,223 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2023-12-03 01:25:20,227 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2023-12-03 01:25:20,230 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_fecc67ae-3cca-4221-b67f-9ad087ebc75d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2023-12-03 01:25:20,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:20,248 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:25:20,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20 WrapperNode [2023-12-03 01:25:20,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:20,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:20,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:25:20,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:25:20,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,284 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-12-03 01:25:20,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:20,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:25:20,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:25:20,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:25:20,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:25:20,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:25:20,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:25:20,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:25:20,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:20" (1/1) ... [2023-12-03 01:25:20,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:20,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:25:20,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:25:20,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:25:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:25:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:25:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:25:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:25:20,461 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:25:20,464 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:25:21,550 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:25:21,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:25:21,573 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:25:21,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:21 BoogieIcfgContainer [2023-12-03 01:25:21,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:25:21,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:25:21,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:25:21,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:25:21,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:21" (1/1) ... [2023-12-03 01:25:21,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:25:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-03 01:25:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-03 01:25:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:25:21,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:21,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:21,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:21,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:21,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:25:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:21,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:21,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:25:21,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:22,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-12-03 01:25:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-12-03 01:25:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:25:22,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:22,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:22,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:22,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:22,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:25:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:22,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:23,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:25:23,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:23,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:25:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-03 01:25:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-03 01:25:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:25:26,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:26,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:26,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:26,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:26,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:25:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:25:27,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:27,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2023-12-03 01:25:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-12-03 01:25:27,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:25:27,559 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 01:25:27,566 INFO L751 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2023-12-03 01:25:27,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:25:27 ImpRootNode [2023-12-03 01:25:27,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:25:27,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:25:27,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:25:27,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:25:27,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:21" (3/4) ... [2023-12-03 01:25:27,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:25:27,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 01:25:27,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:25:27,639 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:25:27,639 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:25:27,719 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:25:27,719 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:25:27,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:25:27,721 INFO L158 Benchmark]: Toolchain (without parser) took 7746.83ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 40.8MB in the end (delta: 29.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 01:25:27,721 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:25:27,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.07ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 57.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:25:27,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.05ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:25:27,723 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 94.4MB. Free memory was 55.9MB in the beginning and 54.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:25:27,723 INFO L158 Benchmark]: RCFGBuilder took 1261.62ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 71.4MB in the end (delta: -16.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-12-03 01:25:27,724 INFO L158 Benchmark]: CodeCheck took 6052.03ms. Allocated memory is still 94.4MB. Free memory was 71.4MB in the beginning and 45.0MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 01:25:27,724 INFO L158 Benchmark]: Witness Printer took 91.71ms. Allocated memory is still 94.4MB. Free memory was 45.0MB in the beginning and 40.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:25:27,727 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, 14 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 15 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - PositiveResult [Line: 25]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 35]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 44]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.07ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 57.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.05ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.25ms. Allocated memory is still 94.4MB. Free memory was 55.9MB in the beginning and 54.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1261.62ms. Allocated memory is still 94.4MB. Free memory was 54.7MB in the beginning and 71.4MB in the end (delta: -16.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * CodeCheck took 6052.03ms. Allocated memory is still 94.4MB. Free memory was 71.4MB in the beginning and 45.0MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 91.71ms. Allocated memory is still 94.4MB. Free memory was 45.0MB in the beginning and 40.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:25:27,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fecc67ae-3cca-4221-b67f-9ad087ebc75d/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: TRUE