./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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 6403ea17225d9927b82c2cb5a5e13cab8e302736934880873dcec33bef71c423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:40:43,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:40:44,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:40:44,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:40:44,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:40:44,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:40:44,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:40:44,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:40:44,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:40:44,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:40:44,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:40:44,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:40:44,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:40:44,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:40:44,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:40:44,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:40:44,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:40:44,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:40:44,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:40:44,048 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:40:44,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:40:44,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:40:44,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:40:44,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:40:44,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:40:44,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:40:44,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:44,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:40:44,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:40:44,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:40:44,054 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:40:44,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:40:44,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:40:44,055 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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6403ea17225d9927b82c2cb5a5e13cab8e302736934880873dcec33bef71c423 [2023-12-03 00:40:44,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:40:44,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:40:44,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:40:44,272 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:40:44,272 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:40:44,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2023-12-03 00:40:47,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:40:47,190 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:40:47,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2023-12-03 00:40:47,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data/ddc5f7d31/61a6a39f29204311949b9b48e8e07a77/FLAG826fa4735 [2023-12-03 00:40:47,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data/ddc5f7d31/61a6a39f29204311949b9b48e8e07a77 [2023-12-03 00:40:47,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:40:47,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:40:47,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:47,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:40:47,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:40:47,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adf472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47, skipping insertion in model container [2023-12-03 00:40:47,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:40:47,418 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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c[1310,1323] [2023-12-03 00:40:47,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:47,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:40:47,454 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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c[1310,1323] [2023-12-03 00:40:47,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:47,471 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:40:47,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47 WrapperNode [2023-12-03 00:40:47,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:47,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:47,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:40:47,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:40:47,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,505 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-12-03 00:40:47,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:47,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:40:47,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:40:47,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:40:47,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:40:47,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:40:47,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:40:47,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:40:47,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:40:47,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:40:47,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:40:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:40:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:40:47,639 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:40:47,642 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:40:47,750 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:40:47,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:40:47,774 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:40:47,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:47 BoogieIcfgContainer [2023-12-03 00:40:47,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:40:47,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:40:47,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:40:47,786 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:40:47,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:47" (1/1) ... [2023-12-03 00:40:47,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:40:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-12-03 00:40:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-12-03 00:40:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:40:47,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:47,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 00:40:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 00:40:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:40:48,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:40:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 00:40:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 00:40:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:40:48,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:48,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:40:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:48,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:40:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:40:48,312 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 00:40:48,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:40:48 ImpRootNode [2023-12-03 00:40:48,339 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:40:48,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:40:48,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:40:48,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:40:48,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:47" (3/4) ... [2023-12-03 00:40:48,343 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:40:48,344 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:40:48,345 INFO L158 Benchmark]: Toolchain (without parser) took 1127.07ms. Allocated memory is still 190.8MB. Free memory was 154.8MB in the beginning and 103.2MB in the end (delta: 51.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-03 00:40:48,345 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:48,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.19ms. Allocated memory is still 190.8MB. Free memory was 154.4MB in the beginning and 143.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:40:48,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.40ms. Allocated memory is still 190.8MB. Free memory was 143.5MB in the beginning and 142.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:40:48,347 INFO L158 Benchmark]: Boogie Preprocessor took 20.33ms. Allocated memory is still 190.8MB. Free memory was 142.2MB in the beginning and 141.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:48,348 INFO L158 Benchmark]: RCFGBuilder took 248.95ms. Allocated memory is still 190.8MB. Free memory was 141.0MB in the beginning and 130.0MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:40:48,348 INFO L158 Benchmark]: CodeCheck took 562.08ms. Allocated memory is still 190.8MB. Free memory was 130.0MB in the beginning and 103.5MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 00:40:48,349 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 190.8MB. Free memory was 103.5MB in the beginning and 103.2MB in the end (delta: 306.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:40:48,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 30 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 56]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of to_real at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80. Possible FailurePath: [L1] int __return_main; [L15] double main__E0; [L16] double main__E1; [L17] double main__S; [L18] int main__i; [L19] main__E1 = 0 [L20] main__S = 0 [L21] main__i = 0 VAL [__return_main=0, main__i=0] [L23] COND TRUE main__i <= 1000000 [L25] main__E0 = __VERIFIER_nondet_double() [L26] int main____CPAchecker_TMP_0; VAL [__return_main=0, main__i=0] [L27] COND TRUE main__E0 >= -1.0 VAL [__return_main=0, main__i=0] [L29] COND TRUE main__E0 <= 1.0 [L31] main____CPAchecker_TMP_0 = 1 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L33] COND TRUE main____CPAchecker_TMP_0 != 0 [L35] int main____CPAchecker_TMP_1; [L36] main____CPAchecker_TMP_1 = __VERIFIER_nondet_int() [L37] COND TRUE !(main____CPAchecker_TMP_1 == 0) [L39] main__S = 0 [L41] main__E1 = main__E0 [L42] int main____CPAchecker_TMP_2; VAL [__return_main=0, main__E0=2, main__E1=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L43] COND FALSE !(main__S >= -10000.0) VAL [__return_main=0, main__E0=2, main__E1=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L69] main____CPAchecker_TMP_2 = 0 VAL [__return_main=0, main__E0=2, main__E1=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L50] int __tmp_1; [L51] __tmp_1 = main____CPAchecker_TMP_2 [L52] int __VERIFIER_assert__cond; [L53] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__E0=2, main__E1=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L54] COND TRUE __VERIFIER_assert__cond == 0 VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__E0=2, main__E1=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L56] reach_error() VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__E0=2, main__E1=2, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.19ms. Allocated memory is still 190.8MB. Free memory was 154.4MB in the beginning and 143.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.40ms. Allocated memory is still 190.8MB. Free memory was 143.5MB in the beginning and 142.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.33ms. Allocated memory is still 190.8MB. Free memory was 142.2MB in the beginning and 141.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.95ms. Allocated memory is still 190.8MB. Free memory was 141.0MB in the beginning and 130.0MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 562.08ms. Allocated memory is still 190.8MB. Free memory was 130.0MB in the beginning and 103.5MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 190.8MB. Free memory was 103.5MB in the beginning and 103.2MB in the end (delta: 306.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:40:48,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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 6403ea17225d9927b82c2cb5a5e13cab8e302736934880873dcec33bef71c423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:40:50,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:40:50,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:40:50,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:40:50,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:40:50,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:40:50,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:40:50,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:40:50,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:40:50,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:40:50,398 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:40:50,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:40:50,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:40:50,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:40:50,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:40:50,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:40:50,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:40:50,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:40:50,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:40:50,402 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:40:50,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:40:50,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:40:50,404 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:40:50,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:40:50,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:40:50,406 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:50,406 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:40:50,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:40:50,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:50,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:40:50,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:40:50,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:40:50,409 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:40:50,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:50,409 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:40:50,409 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:40:50,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:40:50,410 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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6403ea17225d9927b82c2cb5a5e13cab8e302736934880873dcec33bef71c423 [2023-12-03 00:40:50,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:40:50,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:40:50,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:40:50,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:40:50,714 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:40:50,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2023-12-03 00:40:53,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:40:53,634 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:40:53,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2023-12-03 00:40:53,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data/feb8fb515/2423dffe6d174aab955224ce83d70a3d/FLAGcbf675614 [2023-12-03 00:40:53,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/data/feb8fb515/2423dffe6d174aab955224ce83d70a3d [2023-12-03 00:40:53,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:40:53,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:40:53,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:53,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:40:53,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:40:53,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3fe0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53, skipping insertion in model container [2023-12-03 00:40:53,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:40:53,861 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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c[1310,1323] [2023-12-03 00:40:53,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:53,885 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:40:53,902 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_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c[1310,1323] [2023-12-03 00:40:53,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:53,922 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:40:53,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53 WrapperNode [2023-12-03 00:40:53,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:53,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:53,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:40:53,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:40:53,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,961 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-12-03 00:40:53,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:53,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:40:53,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:40:53,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:40:53,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:40:53,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:40:53,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:40:53,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:40:53,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:53" (1/1) ... [2023-12-03 00:40:53,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:40:54,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:40:54,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:40:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:40:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:40:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:40:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:40:54,143 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:40:54,146 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:41:04,354 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:41:04,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:41:04,393 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:41:04,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:41:04 BoogieIcfgContainer [2023-12-03 00:41:04,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:41:04,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:41:04,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:41:04,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:41:04,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:41:04" (1/1) ... [2023-12-03 00:41:04,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:41:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-12-03 00:41:04,459 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-12-03 00:41:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:41:04,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:04,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:04,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:04,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:04,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:41:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:04,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:04,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:41:04,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:04,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:41:07,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 00:41:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 00:41:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:41:07,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:07,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:07,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:07,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:07,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:41:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:07,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:07,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:41:07,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:07,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:41:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-03 00:41:07,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-03 00:41:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:41:07,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:07,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:07,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:07,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:07,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:41:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:07,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:08,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:41:08,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:09,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:41:11,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:41:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-12-03 00:41:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-12-03 00:41:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:41:13,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:13,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:13,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:41:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:13,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:14,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:41:14,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:41:16,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 00:41:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-12-03 00:41:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-12-03 00:41:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:41:17,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:17,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:17,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:17,231 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:17,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:41:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:18,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:41:29,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:41:29,272 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:41:29,276 INFO L158 Benchmark]: Toolchain (without parser) took 35613.99ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 40.7MB in the end (delta: 24.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-12-03 00:41:29,277 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:41:29,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.81ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 53.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:41:29,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 51.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:41:29,278 INFO L158 Benchmark]: Boogie Preprocessor took 29.28ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 50.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:41:29,279 INFO L158 Benchmark]: RCFGBuilder took 10402.73ms. Allocated memory is still 88.1MB. Free memory was 50.2MB in the beginning and 63.5MB in the end (delta: -13.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-12-03 00:41:29,280 INFO L158 Benchmark]: CodeCheck took 24879.86ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 40.7MB in the end (delta: 22.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-12-03 00:41:29,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * 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 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.81ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 53.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 51.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.28ms. Allocated memory is still 88.1MB. Free memory was 51.7MB in the beginning and 50.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10402.73ms. Allocated memory is still 88.1MB. Free memory was 50.2MB in the beginning and 63.5MB in the end (delta: -13.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * CodeCheck took 24879.86ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 40.7MB in the end (delta: 22.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:41:29,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a00fcd8-1dec-49a1-ab41-7b50a97f9f17/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown