./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i --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_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/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_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/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_d2c1944e-55e6-4b10-9e63-8112302e52d0/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 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:08:06,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:08:06,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:08:06,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:08:06,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:08:06,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:08:06,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:08:06,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:08:06,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:08:06,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:08:06,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:08:06,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:08:06,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:08:06,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:08:06,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:08:06,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:08:06,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:08:06,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:08:06,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:08:06,234 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:08:06,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:08:06,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:08:06,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:08:06,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:08:06,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:08:06,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:08:06,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:06,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:08:06,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:08:06,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:08:06,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:08:06,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:08:06,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:08:06,241 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_d2c1944e-55e6-4b10-9e63-8112302e52d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c [2023-12-02 22:08:06,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:08:06,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:08:06,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:08:06,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:08:06,480 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:08:06,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i [2023-12-02 22:08:09,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:09,394 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:09,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i [2023-12-02 22:08:09,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data/c5162fc81/4ffd0176ab544b4b88590c357bd4f3b2/FLAGe90306b0d [2023-12-02 22:08:09,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data/c5162fc81/4ffd0176ab544b4b88590c357bd4f3b2 [2023-12-02 22:08:09,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:09,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:09,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:09,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:09,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:09,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44daf283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09, skipping insertion in model container [2023-12-02 22:08:09,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:09,573 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_d2c1944e-55e6-4b10-9e63-8112302e52d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2023-12-02 22:08:09,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:09,625 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:08:09,637 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_d2c1944e-55e6-4b10-9e63-8112302e52d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2023-12-02 22:08:09,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:09,676 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:08:09,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09 WrapperNode [2023-12-02 22:08:09,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:09,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:09,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:08:09,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:08:09,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,723 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-12-02 22:08:09,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:09,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:08:09,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:08:09,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:08:09,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:08:09,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:08:09,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:08:09,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:08:09,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:09" (1/1) ... [2023-12-02 22:08:09,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:09,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:08:09,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:08:09,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:08:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:08:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:08:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:08:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:08:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:08:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:08:09,894 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:08:09,897 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:08:10,109 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:08:10,216 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:08:10,217 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:08:10,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:10 BoogieIcfgContainer [2023-12-02 22:08:10,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:08:10,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:08:10,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:08:10,228 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:08:10,228 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:10" (1/1) ... [2023-12-02 22:08:10,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:08:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:10,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-12-02 22:08:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-12-02 22:08:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:08:10,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:10,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:10,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:08:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:10,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:08:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:10,827 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:08:10,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:08:10 ImpRootNode [2023-12-02 22:08:10,895 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:08:10,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:08:10,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:08:10,896 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:08:10,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:10" (3/4) ... [2023-12-02 22:08:10,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:08:10,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:08:10,901 INFO L158 Benchmark]: Toolchain (without parser) took 1481.16ms. Allocated memory is still 172.0MB. Free memory was 132.9MB in the beginning and 133.1MB in the end (delta: -196.6kB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2023-12-02 22:08:10,902 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:10,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.27ms. Allocated memory is still 172.0MB. Free memory was 132.9MB in the beginning and 120.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:08:10,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.16ms. Allocated memory is still 172.0MB. Free memory was 120.4MB in the beginning and 118.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:10,904 INFO L158 Benchmark]: Boogie Preprocessor took 23.90ms. Allocated memory is still 172.0MB. Free memory was 118.3MB in the beginning and 116.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:10,904 INFO L158 Benchmark]: RCFGBuilder took 470.81ms. Allocated memory is still 172.0MB. Free memory was 116.8MB in the beginning and 92.2MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:10,905 INFO L158 Benchmark]: CodeCheck took 675.82ms. Allocated memory is still 172.0MB. Free memory was 92.2MB in the beginning and 134.2MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:10,906 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 172.0MB. Free memory was 134.2MB in the beginning and 133.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:10,909 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 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] signed long int var_1_12 = 8; [L29] signed long int var_1_13 = 999999999; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_1 = var_1_1 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L83] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L84] var_1_15 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L87] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L88] var_1_17 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L90] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=254, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=17, var_1_16=16, var_1_17=254, var_1_1=-16, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=2] [L104] RET updateVariables() [L105] CALL step() [L38] COND FALSE !(var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 [L48] COND FALSE !(\read(var_1_5)) [L51] COND FALSE !((var_1_16 > var_1_14) || var_1_11) [L54] var_1_8 = var_1_16 [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((signed long int) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=17, var_1_15=17, var_1_16=16, var_1_17=254, var_1_1=-31, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=16] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=17, var_1_15=17, var_1_16=16, var_1_17=254, var_1_1=-31, var_1_5=0, var_1_6=-31, var_1_7=-63, var_1_8=16] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.27ms. Allocated memory is still 172.0MB. Free memory was 132.9MB in the beginning and 120.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.16ms. Allocated memory is still 172.0MB. Free memory was 120.4MB in the beginning and 118.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.90ms. Allocated memory is still 172.0MB. Free memory was 118.3MB in the beginning and 116.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.81ms. Allocated memory is still 172.0MB. Free memory was 116.8MB in the beginning and 92.2MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 675.82ms. Allocated memory is still 172.0MB. Free memory was 92.2MB in the beginning and 134.2MB in the end (delta: -42.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 172.0MB. Free memory was 134.2MB in the beginning and 133.1MB in the end (delta: 1.0MB). 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 22:08:10,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/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_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/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_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/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_d2c1944e-55e6-4b10-9e63-8112302e52d0/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 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:08:13,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:08:13,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:08:13,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:08:13,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:08:13,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:08:13,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:08:13,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:08:13,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:08:13,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:08:13,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:08:13,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:08:13,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:08:13,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:08:13,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:08:13,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:08:13,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:08:13,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:08:13,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:08:13,147 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:08:13,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:08:13,148 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:08:13,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:08:13,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:08:13,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:08:13,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:13,151 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:08:13,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:08:13,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:13,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:08:13,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:08:13,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:08:13,153 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:08:13,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:13,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:08:13,154 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:08:13,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:08:13,155 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_d2c1944e-55e6-4b10-9e63-8112302e52d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c [2023-12-02 22:08:13,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:08:13,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:08:13,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:08:13,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:08:13,493 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:08:13,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i [2023-12-02 22:08:16,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:08:16,474 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:08:16,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i [2023-12-02 22:08:16,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data/ebd7d4d37/70925667e876469f85d605517bc9b34e/FLAGb6136774d [2023-12-02 22:08:16,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/data/ebd7d4d37/70925667e876469f85d605517bc9b34e [2023-12-02 22:08:16,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:08:16,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:08:16,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:16,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:08:16,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:08:16,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bc140b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16, skipping insertion in model container [2023-12-02 22:08:16,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:08:16,692 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_d2c1944e-55e6-4b10-9e63-8112302e52d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2023-12-02 22:08:16,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:16,749 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:08:16,763 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_d2c1944e-55e6-4b10-9e63-8112302e52d0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2023-12-02 22:08:16,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:08:16,804 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:08:16,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16 WrapperNode [2023-12-02 22:08:16,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:08:16,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:16,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:08:16,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:08:16,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,852 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-12-02 22:08:16,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:08:16,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:08:16,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:08:16,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:08:16,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:08:16,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:08:16,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:08:16,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:08:16,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:08:16" (1/1) ... [2023-12-02 22:08:16,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:08:16,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:08:16,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:08:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:08:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:08:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:08:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:08:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:08:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:08:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:08:17,053 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:08:17,056 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:08:20,133 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:08:20,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:08:20,252 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:08:20,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:20 BoogieIcfgContainer [2023-12-02 22:08:20,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:08:20,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:08:20,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:08:20,264 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:08:20,264 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:20" (1/1) ... [2023-12-02 22:08:20,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:08:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-12-02 22:08:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-12-02 22:08:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:08:20,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:20,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:20,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:20,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:20,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:08:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:20,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:20,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:08:20,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:41,661 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 311 DAG size of output: 317 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:13:20,986 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:13:27,352 WARN L293 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:13:33,768 WARN L293 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:13:47,808 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:14:04,901 WARN L293 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:14:15,361 WARN L293 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:14:21,635 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:14:40,212 WARN L293 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:14:48,836 WARN L293 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:01,279 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:08,452 WARN L293 SmtUtils]: Spent 7.15s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:17,540 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:27,482 WARN L293 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:44,534 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:52,790 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:15:59,436 WARN L293 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:16:08,794 WARN L293 SmtUtils]: Spent 7.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:16:16,426 WARN L293 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:16:32,023 WARN L293 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:16:44,600 WARN L293 SmtUtils]: Spent 9.46s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:16:50,057 WARN L293 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:17:01,867 WARN L293 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:17:23,548 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:17:36,589 WARN L293 SmtUtils]: Spent 10.43s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:17:44,077 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:18:32,490 WARN L293 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:18:52,470 WARN L293 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:19:04,482 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:19:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-02 22:19:48,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:19:49,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:51,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2023-12-02 22:19:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-12-02 22:19:52,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:19:52,236 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 22:19:52,245 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:19:52,263 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:19:52,265 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:19:52,265 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:19:52,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:19:52 ImpRootNode [2023-12-02 22:19:52,265 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:19:52,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:19:52,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:19:52,266 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:19:52,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:08:20" (3/4) ... [2023-12-02 22:19:52,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:19:52,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 22:19:52,275 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-12-02 22:19:52,275 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 22:19:52,276 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:19:52,276 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:19:52,366 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:19:52,366 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:19:52,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:19:52,367 INFO L158 Benchmark]: Toolchain (without parser) took 695865.49ms. Allocated memory was 115.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 92.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,367 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:19:52,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.24ms. Allocated memory is still 115.3MB. Free memory was 91.7MB in the beginning and 78.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.13ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,369 INFO L158 Benchmark]: Boogie Preprocessor took 40.57ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 75.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,369 INFO L158 Benchmark]: RCFGBuilder took 3358.74ms. Allocated memory is still 115.3MB. Free memory was 75.0MB in the beginning and 81.9MB in the end (delta: -6.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,369 INFO L158 Benchmark]: CodeCheck took 692011.16ms. Allocated memory was 115.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 81.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,370 INFO L158 Benchmark]: Witness Printer took 100.33ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:19:52,371 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 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 692.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 75 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 687.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 18 NumberOfNonLiveVariables, 135 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 205/210 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: 19]: 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 1 specifications checked. All of them hold - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.24ms. Allocated memory is still 115.3MB. Free memory was 91.7MB in the beginning and 78.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.13ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.57ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 75.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3358.74ms. Allocated memory is still 115.3MB. Free memory was 75.0MB in the beginning and 81.9MB in the end (delta: -6.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * CodeCheck took 692011.16ms. Allocated memory was 115.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 81.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. * Witness Printer took 100.33ms. Allocated memory is still 1.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:19:52,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c1944e-55e6-4b10-9e63-8112302e52d0/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