./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_int_inv_square.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_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/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_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/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_6f059c33-ea20-45a0-9f64-0481378c198f/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 a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:19:38,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:19:38,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:19:38,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:19:38,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:19:38,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:19:38,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:19:38,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:19:38,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:19:38,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:19:38,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:19:38,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:19:38,178 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:19:38,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:19:38,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:19:38,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:19:38,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:19:38,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:19:38,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:19:38,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:19:38,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:19:38,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:19:38,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:19:38,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:19:38,185 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:19:38,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:19:38,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:19:38,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:19:38,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:19:38,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:19:38,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:19:38,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:19:38,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:19:38,188 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_6f059c33-ea20-45a0-9f64-0481378c198f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2023-12-03 04:19:38,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:19:38,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:19:38,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:19:38,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:19:38,406 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:19:38,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2023-12-03 04:19:41,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:19:41,362 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:19:41,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2023-12-03 04:19:41,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data/a4ff95895/f01933a7f7204e95b3bdf12a21af63e0/FLAG1343bb45b [2023-12-03 04:19:41,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data/a4ff95895/f01933a7f7204e95b3bdf12a21af63e0 [2023-12-03 04:19:41,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:19:41,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:19:41,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:19:41,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:19:41,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:19:41,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f22607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41, skipping insertion in model container [2023-12-03 04:19:41,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:19:41,532 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_6f059c33-ea20-45a0-9f64-0481378c198f/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2023-12-03 04:19:41,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:19:41,550 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:19:41,559 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_6f059c33-ea20-45a0-9f64-0481378c198f/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2023-12-03 04:19:41,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:19:41,572 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:19:41,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41 WrapperNode [2023-12-03 04:19:41,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:19:41,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:19:41,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:19:41,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:19:41,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,598 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2023-12-03 04:19:41,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:19:41,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:19:41,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:19:41,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:19:41,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:19:41,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:19:41,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:19:41,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:19:41,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:19:41,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:19:41,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:19:41,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:19:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:19:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:19:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:19:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:19:41,740 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:19:41,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:19:41,820 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:19:41,867 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:19:41,867 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:19:41,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:19:41 BoogieIcfgContainer [2023-12-03 04:19:41,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:19:41,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:19:41,870 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:19:41,879 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:19:41,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:19:41" (1/1) ... [2023-12-03 04:19:41,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:19:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 04:19:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 04:19:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:19:41,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:41,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:19:42,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:19:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:19:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:19:42,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:19:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:19:42,101 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:19:42,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:19:42 ImpRootNode [2023-12-03 04:19:42,118 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:19:42,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:19:42,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:19:42,119 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:19:42,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:19:41" (3/4) ... [2023-12-03 04:19:42,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:19:42,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:19:42,132 INFO L158 Benchmark]: Toolchain (without parser) took 742.81ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 101.8MB in the beginning and 153.2MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:19:42,132 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:19:42,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.31ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 91.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:19:42,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.92ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 89.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:19:42,135 INFO L158 Benchmark]: Boogie Preprocessor took 16.26ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 88.7MB in the end (delta: 746.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:19:42,135 INFO L158 Benchmark]: RCFGBuilder took 253.68ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 77.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:19:42,136 INFO L158 Benchmark]: CodeCheck took 248.06ms. Allocated memory is still 148.9MB. Free memory was 77.4MB in the beginning and 116.2MB in the end (delta: -38.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:19:42,137 INFO L158 Benchmark]: Witness Printer took 11.04ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 116.1MB in the beginning and 153.2MB in the end (delta: -37.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-12-03 04:19:42,140 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 11]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L15] int x; [L16] float y, z; [L18] x = __VERIFIER_nondet_int() [L19] CALL assume_abort_if_not(x >= -10 && x <= 10) [L9] COND FALSE !(!cond) [L19] RET assume_abort_if_not(x >= -10 && x <= 10) [L21] y = x*x - 4.f [L22] CALL __VERIFIER_assert(y != 0.f) [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L11] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.31ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 91.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.92ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 89.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.26ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 88.7MB in the end (delta: 746.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.68ms. Allocated memory is still 148.9MB. Free memory was 88.7MB in the beginning and 77.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 248.06ms. Allocated memory is still 148.9MB. Free memory was 77.4MB in the beginning and 116.2MB in the end (delta: -38.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.04ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 116.1MB in the beginning and 153.2MB in the end (delta: -37.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:19:42,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/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_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/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_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/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_6f059c33-ea20-45a0-9f64-0481378c198f/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 a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:19:44,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:19:44,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:19:44,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:19:44,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:19:44,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:19:44,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:19:44,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:19:44,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:19:44,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:19:44,135 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:19:44,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:19:44,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:19:44,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:19:44,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:19:44,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:19:44,138 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:19:44,139 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:19:44,139 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:19:44,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:19:44,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:19:44,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:19:44,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:19:44,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:19:44,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:19:44,145 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:44,145 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:19:44,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:19:44,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:19:44,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:19:44,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:19:44,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:19:44,147 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:19:44,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:44,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:19:44,148 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:19:44,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:19:44,148 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_6f059c33-ea20-45a0-9f64-0481378c198f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2023-12-03 04:19:44,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:19:44,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:19:44,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:19:44,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:19:44,456 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:19:44,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c [2023-12-03 04:19:47,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:19:47,414 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:19:47,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2023-12-03 04:19:47,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data/d87a36ffd/1e5437324fbf4141a356f5f36cdd9c35/FLAGa252a73ee [2023-12-03 04:19:47,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/data/d87a36ffd/1e5437324fbf4141a356f5f36cdd9c35 [2023-12-03 04:19:47,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:19:47,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:19:47,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:19:47,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:19:47,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:19:47,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6981aed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47, skipping insertion in model container [2023-12-03 04:19:47,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:19:47,582 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_6f059c33-ea20-45a0-9f64-0481378c198f/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2023-12-03 04:19:47,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:19:47,605 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:19:47,615 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_6f059c33-ea20-45a0-9f64-0481378c198f/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2023-12-03 04:19:47,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:19:47,632 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:19:47,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47 WrapperNode [2023-12-03 04:19:47,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:19:47,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:19:47,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:19:47,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:19:47,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,660 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2023-12-03 04:19:47,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:19:47,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:19:47,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:19:47,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:19:47,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:19:47,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:19:47,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:19:47,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:19:47,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:19:47" (1/1) ... [2023-12-03 04:19:47,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:19:47,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:19:47,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:19:47,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:19:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:19:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:19:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:19:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:19:47,817 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:19:47,818 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:19:49,361 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:19:49,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:19:49,418 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:19:49,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:19:49 BoogieIcfgContainer [2023-12-03 04:19:49,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:19:49,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:19:49,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:19:49,431 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:19:49,431 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:19:49" (1/1) ... [2023-12-03 04:19:49,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:19:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 04:19:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 04:19:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:19:49,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:49,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:49,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:49,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:49,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f059c33-ea20-45a0-9f64-0481378c198f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:19:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:19:49,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:19:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat