./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi --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 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:03,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:03,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:03,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:03,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:03,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:03,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:03,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:03,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:03,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:03,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:03,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:03,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:03,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:03,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:03,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:03,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:03,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:03,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:03,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:03,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:03,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:03,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:03,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:03,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:03,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:03,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:03,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:03,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:03,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:03,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:03,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:03,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:03,551 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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b [2023-11-24 22:53:03,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:03,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:03,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:03,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:03,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:03,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2023-11-24 22:53:06,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:07,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:07,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2023-11-24 22:53:07,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data/f97ebb9ab/1e5bfce4058e4296b8bfcb456860c806/FLAG3b15e7f30 [2023-11-24 22:53:07,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data/f97ebb9ab/1e5bfce4058e4296b8bfcb456860c806 [2023-11-24 22:53:07,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:07,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:07,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:07,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:07,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:07,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a38c6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07, skipping insertion in model container [2023-11-24 22:53:07,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:07,427 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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2023-11-24 22:53:07,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:07,483 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:07,497 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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2023-11-24 22:53:07,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:07,545 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:07,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07 WrapperNode [2023-11-24 22:53:07,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:07,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:07,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:07,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:07,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,608 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-24 22:53:07,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:07,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:07,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:07,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:07,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:07,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:07,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:07,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:07,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:07" (1/1) ... [2023-11-24 22:53:07,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:07,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:07,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:07,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:53:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:53:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:07,815 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:07,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:08,145 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:08,342 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:08,343 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:53:08,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:08 BoogieIcfgContainer [2023-11-24 22:53:08,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:08,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:08,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:08,355 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:08,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:08" (1/1) ... [2023-11-24 22:53:08,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 22:53:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 22:53:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:53:08,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:08,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:08,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:09,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:09,308 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:09,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:09 ImpRootNode [2023-11-24 22:53:09,425 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:09,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:09,427 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:09,428 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:09,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:08" (3/4) ... [2023-11-24 22:53:09,431 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:09,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:09,433 INFO L158 Benchmark]: Toolchain (without parser) took 2229.78ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 86.7MB in the beginning and 72.3MB in the end (delta: 14.4MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-24 22:53:09,433 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:09,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.83ms. Allocated memory is still 132.1MB. Free memory was 86.4MB in the beginning and 73.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:53:09,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.51ms. Allocated memory is still 132.1MB. Free memory was 73.8MB in the beginning and 71.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:09,435 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 132.1MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:09,436 INFO L158 Benchmark]: RCFGBuilder took 699.67ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 69.3MB in the beginning and 114.3MB in the end (delta: -45.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-24 22:53:09,437 INFO L158 Benchmark]: CodeCheck took 1079.92ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 72.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 22:53:09,439 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 163.6MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:09,442 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 67 NumberOfCodeBlocks, 67 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 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 5; [L23] unsigned char var_1_6 = 1; [L24] signed long int var_1_7 = 0; [L25] unsigned char var_1_8 = 25; [L26] unsigned char var_1_9 = 100; [L27] unsigned char var_1_10 = 1; [L28] signed long int var_1_12 = 15; [L29] signed long int var_1_13 = 1; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] signed long int var_1_16 = 16; [L33] signed char var_1_17 = 10; [L34] signed char var_1_18 = -10; [L35] signed long int var_1_19 = -16; [L36] signed long int last_1_var_1_12 = 15; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] last_1_var_1_12 = var_1_12 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L75] var_1_7 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=100] [L77] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=100] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25] [L80] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L83] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L84] var_1_13 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L86] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L90] var_1_15 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L92] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L95] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L96] var_1_18 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L98] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=15, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=2147483647, var_1_8=25, var_1_9=190] [L112] RET updateVariables() [L113] CALL step() [L40] COND TRUE \read(var_1_6) [L41] var_1_8 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L47] var_1_19 = var_1_8 [L48] COND TRUE var_1_19 > var_1_9 [L49] COND TRUE \read(var_1_6) [L50] var_1_12 = (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))) [L61] signed long int stepLocal_0 = (((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))); [L62] COND TRUE var_1_8 <= stepLocal_0 [L63] COND FALSE !(! var_1_6) [L66] var_1_1 = var_1_7 [L69] var_1_17 = var_1_18 [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((var_1_8 <= ((((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))))) ? ((! var_1_6) ? (var_1_1 == ((signed long int) var_1_7)) : (var_1_1 == ((signed long int) var_1_7))) : 1) && (var_1_6 ? (var_1_8 == ((unsigned char) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : ((last_1_var_1_12 < (last_1_var_1_12 + var_1_7)) ? (var_1_8 == ((unsigned char) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1))) && ((var_1_19 > var_1_9) ? (var_1_6 ? (var_1_12 == ((signed long int) (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((var_1_14 && var_1_15) ? (var_1_12 == ((signed long int) (var_1_13 - var_1_16))) : (var_1_12 == ((signed long int) var_1_16)))) : (var_1_12 == ((signed long int) var_1_13)))) && (var_1_17 == ((signed char) var_1_18))) && (var_1_19 == ((signed long int) var_1_8)) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=2147483648, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=126, var_1_18=126, var_1_19=191, var_1_1=2147483647, var_1_6=1, var_1_7=2147483647, var_1_8=191, var_1_9=190] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=15, var_1_10=191, var_1_12=2147483648, var_1_13=2147483647, var_1_14=1, var_1_15=1, var_1_16=2147483647, var_1_17=126, var_1_18=126, var_1_19=191, var_1_1=2147483647, var_1_6=1, var_1_7=2147483647, var_1_8=191, var_1_9=190] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.83ms. Allocated memory is still 132.1MB. Free memory was 86.4MB in the beginning and 73.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.51ms. Allocated memory is still 132.1MB. Free memory was 73.8MB in the beginning and 71.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 132.1MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 699.67ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 69.3MB in the beginning and 114.3MB in the end (delta: -45.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 1079.92ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 72.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 163.6MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:53:09,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi --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 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:12,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:12,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:53:12,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:12,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:12,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:12,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:12,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:12,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:12,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:12,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:12,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:12,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:12,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:12,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:12,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:12,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:53:12,317 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:53:12,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:53:12,318 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:12,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:12,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:12,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:12,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:12,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:12,322 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:12,323 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:12,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:12,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:12,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:12,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:12,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:12,326 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:53:12,327 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:12,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:12,327 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:53:12,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:12,328 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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b [2023-11-24 22:53:12,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:12,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:12,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:12,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:12,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:12,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2023-11-24 22:53:15,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:16,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:16,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2023-11-24 22:53:16,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data/c9b144428/ba37147ee9324732b347a41fc21aa240/FLAG3523fee04 [2023-11-24 22:53:16,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/data/c9b144428/ba37147ee9324732b347a41fc21aa240 [2023-11-24 22:53:16,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:16,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:16,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:16,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:16,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:16,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a3ebe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16, skipping insertion in model container [2023-11-24 22:53:16,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:16,382 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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2023-11-24 22:53:16,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:16,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:16,503 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_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2023-11-24 22:53:16,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:16,560 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:16,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16 WrapperNode [2023-11-24 22:53:16,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:16,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:16,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:16,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:16,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,638 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-24 22:53:16,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:16,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:16,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:16,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:16,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:16,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:16,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:16,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:16,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:16,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:16,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:16,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:16,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:53:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:53:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:53:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:16,942 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:16,944 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:19,443 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:19,692 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:19,696 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:53:19,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19 BoogieIcfgContainer [2023-11-24 22:53:19,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:19,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:19,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:19,710 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:19,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:19" (1/1) ... [2023-11-24 22:53:19,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-24 22:53:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-24 22:53:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:53:19,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:19,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:19,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:53:19,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:53:19,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b10ca1a-8a45-4f45-825f-cac9e35ceb77/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:53:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:53:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:20,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:53:20,301 INFO L285 TraceCheckSpWp]: Computing forward predicates...