./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/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_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/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_d1ee6c41-410f-4372-abef-806399a35266/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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:59:29,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:59:29,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:59:29,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:59:29,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:59:29,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:59:29,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:59:29,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:59:29,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:59:29,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:59:29,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:59:29,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:59:29,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:59:29,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:59:29,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:59:29,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:59:29,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:59:29,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:59:29,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:59:29,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:59:29,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:59:29,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:59:29,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:59:29,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:59:29,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:59:29,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:59:29,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:29,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:59:29,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:59:29,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:59:29,445 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:59:29,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:59:29,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:59:29,446 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_d1ee6c41-410f-4372-abef-806399a35266/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2023-12-02 23:59:29,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:59:29,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:59:29,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:59:29,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:59:29,671 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:59:29,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float2.c [2023-12-02 23:59:32,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:59:32,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:59:32,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c [2023-12-02 23:59:32,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data/5c7b437b5/e3b81c8ac53944b3b9a1b0db5a979c8e/FLAGdeb0ad77a [2023-12-02 23:59:32,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data/5c7b437b5/e3b81c8ac53944b3b9a1b0db5a979c8e [2023-12-02 23:59:32,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:59:32,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:59:32,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:32,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:59:32,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:59:32,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6860e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32, skipping insertion in model container [2023-12-02 23:59:32,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:32,736 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2023-12-02 23:59:32,740 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2023-12-02 23:59:32,741 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2023-12-02 23:59:32,742 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2023-12-02 23:59:32,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:32,753 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:59:32,763 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2023-12-02 23:59:32,764 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2023-12-02 23:59:32,765 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2023-12-02 23:59:32,766 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2023-12-02 23:59:32,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:32,778 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:59:32,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32 WrapperNode [2023-12-02 23:59:32,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:32,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:32,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:59:32,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:59:32,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,805 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-12-02 23:59:32,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:32,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:59:32,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:59:32,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:59:32,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:59:32,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:59:32,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:59:32,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:59:32,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:32" (1/1) ... [2023-12-02 23:59:32,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:32,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:59:32,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:59:32,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:59:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:59:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:59:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:59:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:59:32,931 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:59:32,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:59:33,017 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:59:33,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:59:33,037 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:59:33,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:33 BoogieIcfgContainer [2023-12-02 23:59:33,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:59:33,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:59:33,039 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:59:33,047 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:59:33,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:33" (1/1) ... [2023-12-02 23:59:33,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:59:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:59:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:59:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:59:33,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:59:33,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:59:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:59:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:59:33,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:59:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:59:33,226 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:59:33,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:59:33 ImpRootNode [2023-12-02 23:59:33,247 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:59:33,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:59:33,248 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:59:33,248 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:59:33,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:33" (3/4) ... [2023-12-02 23:59:33,251 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:59:33,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:59:33,253 INFO L158 Benchmark]: Toolchain (without parser) took 653.27ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 86.3MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 23:59:33,253 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:33,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.55ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:33,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.59ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:33,256 INFO L158 Benchmark]: Boogie Preprocessor took 14.55ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 894.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:33,256 INFO L158 Benchmark]: RCFGBuilder took 216.85ms. Allocated memory is still 155.2MB. Free memory was 106.4MB in the beginning and 97.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:33,257 INFO L158 Benchmark]: CodeCheck took 207.54ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 86.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:33,258 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 86.3MB in the end (delta: 415.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:33,262 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, 18 locations, 4 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: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L7] float a; [L8] double b; [L11] a=1.25L VAL [a=5/4] [L12] COND TRUE !(a==1.25) VAL [a=5/4] [L12] reach_error() VAL [a=5/4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.55ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.59ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.55ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 106.4MB in the end (delta: 894.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 216.85ms. Allocated memory is still 155.2MB. Free memory was 106.4MB in the beginning and 97.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 207.54ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 86.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 155.2MB. Free memory was 86.8MB in the beginning and 86.3MB in the end (delta: 415.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:59:33,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/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_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/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_d1ee6c41-410f-4372-abef-806399a35266/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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:59:35,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:59:35,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:59:35,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:59:35,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:59:35,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:59:35,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:59:35,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:59:35,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:59:35,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:59:35,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:59:35,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:59:35,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:59:35,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:59:35,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:59:35,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:59:35,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:59:35,370 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:59:35,370 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:59:35,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:59:35,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:59:35,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:59:35,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:59:35,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:59:35,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:59:35,378 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:35,378 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:59:35,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:59:35,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:35,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:59:35,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:59:35,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:59:35,381 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:59:35,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:35,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:59:35,381 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:59:35,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:59:35,382 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_d1ee6c41-410f-4372-abef-806399a35266/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2023-12-02 23:59:35,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:59:35,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:59:35,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:59:35,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:59:35,685 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:59:35,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float2.c [2023-12-02 23:59:38,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:59:38,673 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:59:38,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c [2023-12-02 23:59:38,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data/8fa5625a1/fc4769a6481a47e6820d8f9412ebae60/FLAG0e4fc4b96 [2023-12-02 23:59:38,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/data/8fa5625a1/fc4769a6481a47e6820d8f9412ebae60 [2023-12-02 23:59:38,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:59:38,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:59:38,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:38,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:59:38,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:59:38,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba43fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38, skipping insertion in model container [2023-12-02 23:59:38,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:38,883 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2023-12-02 23:59:38,887 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2023-12-02 23:59:38,888 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2023-12-02 23:59:38,890 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2023-12-02 23:59:38,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:38,908 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:59:38,921 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2023-12-02 23:59:38,922 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2023-12-02 23:59:38,923 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2023-12-02 23:59:38,924 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_d1ee6c41-410f-4372-abef-806399a35266/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2023-12-02 23:59:38,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:38,940 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:59:38,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38 WrapperNode [2023-12-02 23:59:38,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:38,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:38,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:59:38,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:59:38,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,976 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-12-02 23:59:38,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:38,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:59:38,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:59:38,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:59:38,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:38,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:39,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:39,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:39,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:59:39,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:59:39,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:59:39,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:59:39,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:38" (1/1) ... [2023-12-02 23:59:39,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:39,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:59:39,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:59:39,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:59:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:59:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:59:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:59:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:59:39,144 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:59:39,147 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:59:39,351 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:59:39,378 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:59:39,378 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:59:39,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:39 BoogieIcfgContainer [2023-12-02 23:59:39,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:59:39,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:59:39,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:59:39,392 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:59:39,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:39" (1/1) ... [2023-12-02 23:59:39,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:59:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:59:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:59:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:59:39,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:39,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:39,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:39,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:39,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:59:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:39,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:39,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:39,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:39,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:59:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:59:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:59:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:59:39,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:39,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:39,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:39,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:39,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:59:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:39,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:39,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:59:39,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:39,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:59:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:59:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:59:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:59:40,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:40,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:40,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:40,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:40,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:59:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:40,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:40,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:59:40,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:40,156 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:59:40,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:59:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 23:59:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 23:59:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:59:40,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:40,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:40,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:40,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:40,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:59:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:40,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:40,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:59:40,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:40,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:59:40,403 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:59:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2023-12-02 23:59:40,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2023-12-02 23:59:40,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:59:40,462 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-02 23:59:40,470 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 23:59:40,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:59:40 ImpRootNode [2023-12-02 23:59:40,499 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:59:40,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:59:40,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:59:40,500 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:59:40,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:39" (3/4) ... [2023-12-02 23:59:40,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:59:40,510 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 23:59:40,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 23:59:40,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:59:40,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:59:40,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:59:40,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:59:40,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:59:40,593 INFO L158 Benchmark]: Toolchain (without parser) took 1893.70ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 76.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-12-02 23:59:40,594 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:40,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.99ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:40,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:40,595 INFO L158 Benchmark]: Boogie Preprocessor took 27.12ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:40,596 INFO L158 Benchmark]: RCFGBuilder took 375.21ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:40,596 INFO L158 Benchmark]: CodeCheck took 1117.92ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 80.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:40,596 INFO L158 Benchmark]: Witness Printer took 92.94ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 76.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:59:40,599 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 16 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 8 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 12]: 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: 15]: 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: 19]: 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: 23]: 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 4 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 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.99ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.12ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.21ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1117.92ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 80.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.94ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 76.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:59:40,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ee6c41-410f-4372-abef-806399a35266/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 Writing output log to file Ultimate.log Result: TRUE