./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL --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 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:06,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:06,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:41:06,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:06,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:06,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:06,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:06,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:06,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:06,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:06,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:06,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:06,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:06,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:06,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:06,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:06,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:06,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:06,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:06,378 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:06,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:06,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:06,380 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:06,380 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:06,381 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:06,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:06,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:06,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:06,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:06,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:06,385 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:06,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:06,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:06,386 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_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 [2023-11-19 03:41:06,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:06,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:06,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:06,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:06,683 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:06,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2023-11-19 03:41:09,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:10,080 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:10,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2023-11-19 03:41:10,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data/90211ff33/d9527c5801464be489b9499568a46fcc/FLAG317bb5d75 [2023-11-19 03:41:10,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data/90211ff33/d9527c5801464be489b9499568a46fcc [2023-11-19 03:41:10,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:10,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:10,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:10,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:10,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:10,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e8c32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10, skipping insertion in model container [2023-11-19 03:41:10,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:10,402 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_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2023-11-19 03:41:10,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:10,422 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:10,458 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_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2023-11-19 03:41:10,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:10,476 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:10,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10 WrapperNode [2023-11-19 03:41:10,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:10,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:10,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:10,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:10,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,525 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2023-11-19 03:41:10,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:10,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:10,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:10,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:10,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:10,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:10,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:10,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:10,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:10,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:10,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:10,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:41:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:41:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:41:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:41:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:10,809 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:10,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:11,203 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:11,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:11,349 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:41:11,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:11 BoogieIcfgContainer [2023-11-19 03:41:11,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:11,357 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:11,357 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:11,370 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:11,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:11" (1/1) ... [2023-11-19 03:41:11,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 03:41:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 03:41:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:41:11,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 03:41:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 03:41:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:41:11,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 03:41:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 03:41:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:41:12,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:12,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:12,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:12,357 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:41:12,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 03:41:12,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:41:12 ImpRootNode [2023-11-19 03:41:12,392 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:41:12,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:41:12,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:41:12,393 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:41:12,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:11" (3/4) ... [2023-11-19 03:41:12,397 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:41:12,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:41:12,399 INFO L158 Benchmark]: Toolchain (without parser) took 2267.92ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 111.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 03:41:12,400 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 85.3MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:12,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.94ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 109.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:41:12,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.32ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:12,402 INFO L158 Benchmark]: Boogie Preprocessor took 53.25ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 106.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:12,403 INFO L158 Benchmark]: RCFGBuilder took 775.38ms. Allocated memory is still 153.1MB. Free memory was 106.3MB in the beginning and 81.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:12,409 INFO L158 Benchmark]: CodeCheck took 1035.39ms. Allocated memory is still 153.1MB. Free memory was 81.8MB in the beginning and 111.5MB in the end (delta: -29.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:12,410 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 153.1MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:12,419 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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: 69]: 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 68, overapproximation of someUnaryFLOAToperation at line 64, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L64] float x = -0.0f; [L65] CALL, EXPR trunc_float(x) [L15] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=2, x=2] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (w) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=1258291200, x=2] [L21] signbit = w & 0x80000000 [L22] EXPR w & 0x7f800000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=2, exponent_less_127=23, signbit=0, w=1258291200, x=2] [L39] COND FALSE !(exponent_less_127 == 255) VAL [\old(x)=2, exponent_less_127=23, signbit=0, w=1258291200, x=2] [L42] return x; VAL [\old(x)=2, \result=2, exponent_less_127=23, signbit=0, w=1258291200, x=2] [L65] RET, EXPR trunc_float(x) [L65] float res = trunc_float(x); [L68] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=2, x=2] [L68] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L69] reach_error() VAL [res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 85.3MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.94ms. Allocated memory is still 153.1MB. Free memory was 121.0MB in the beginning and 109.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.32ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.25ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 106.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.38ms. Allocated memory is still 153.1MB. Free memory was 106.3MB in the beginning and 81.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1035.39ms. Allocated memory is still 153.1MB. Free memory was 81.8MB in the beginning and 111.5MB in the end (delta: -29.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 153.1MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:41:12,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL --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 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:15,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:15,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:41:15,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:15,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:15,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:15,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:15,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:15,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:15,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:15,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:15,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:15,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:15,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:15,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:15,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:15,767 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:41:15,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:41:15,768 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:41:15,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:15,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:15,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:15,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:15,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:15,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:15,773 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:15,773 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:15,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:15,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:15,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:15,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:15,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:15,777 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:41:15,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:15,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:15,778 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:41:15,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:15,779 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_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617ff69384da5814b2b527d10c4fa0e27490c5a4838f31ba8705b37c822dda78 [2023-11-19 03:41:16,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:16,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:16,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:16,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:16,481 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:16,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2023-11-19 03:41:20,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:20,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:20,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c [2023-11-19 03:41:20,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data/6bc9fa097/40cdb5ee89294cf0bcf7611c6d633e8f/FLAG7b5bce307 [2023-11-19 03:41:20,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/data/6bc9fa097/40cdb5ee89294cf0bcf7611c6d633e8f [2023-11-19 03:41:20,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:20,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:20,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:20,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:20,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:20,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:20,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c605253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:20, skipping insertion in model container [2023-11-19 03:41:20,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:20" (1/1) ... [2023-11-19 03:41:20,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:20,969 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_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2023-11-19 03:41:20,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:21,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:21,062 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_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/sv-benchmarks/c/float-newlib/float_req_bl_1072d.c[1573,1586] [2023-11-19 03:41:21,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:21,099 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:21,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21 WrapperNode [2023-11-19 03:41:21,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:21,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:21,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:21,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:21,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,190 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2023-11-19 03:41:21,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:21,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:21,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:21,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:21,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:21,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:21,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:21,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:21,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:21,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:21,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:21,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:41:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:41:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:41:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:21,521 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:21,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:21,991 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:22,017 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:22,018 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:41:22,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:22 BoogieIcfgContainer [2023-11-19 03:41:22,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:22,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:22,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:22,041 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:22,041 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 03:41:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 03:41:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:41:22,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:22,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:22,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:22,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:41:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:22,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:22,329 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:22,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:41:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 03:41:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 03:41:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:41:22,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:22,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:41:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:22,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:22,702 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:22,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:22,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 03:41:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 03:41:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:41:22,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:22,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:22,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:41:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:41:23,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:23,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-19 03:41:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-19 03:41:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:23,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:23,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:23,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:23,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:41:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:24,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:24,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:24,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-19 03:41:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-19 03:41:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:24,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:24,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:24,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:24,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:24,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:41:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:24,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:24,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:41:24,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:24,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:41:24,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-19 03:41:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:24,658 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:24,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-19 03:41:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-19 03:41:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:25,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:25,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:25,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:25,512 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:25,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:41:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:41:25,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:26,083 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:26,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-11-19 03:41:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-11-19 03:41:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:41:28,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:28,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:28,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:28,097 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:41:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:28,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:28,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:41:28,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:28,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:41:28,806 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-11-19 03:41:28,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 03:41:29,616 INFO L349 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2023-11-19 03:41:29,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 57 [2023-11-19 03:41:29,634 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 03:41:29,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 40 [2023-11-19 03:41:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:29,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2023-11-19 03:41:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2023-11-19 03:41:36,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:41:36,111 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:41:36,121 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:41:36,232 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2023-11-19 03:41:36,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == ~x) could not be translated [2023-11-19 03:41:36,247 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2023-11-19 03:41:36,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == #res && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0])) && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) could not be translated [2023-11-19 03:41:36,252 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:41:36,254 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-11-19 03:41:36,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) && ~signbit~0 == ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32)) could not be translated [2023-11-19 03:41:36,258 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-19 03:41:36,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_7 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_7, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[22:0]) == ~fp~32(~w~1[31:31], ~w~1[30:23], ~w~1[22:0]) && ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated [2023-11-19 03:41:36,262 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-11-19 03:41:36,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-19 03:41:36,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:41:36 ImpRootNode [2023-11-19 03:41:36,268 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:41:36,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:41:36,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:41:36,271 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:41:36,271 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:22" (3/4) ... [2023-11-19 03:41:36,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:41:36,287 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 03:41:36,287 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:41:36,288 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:41:36,288 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:41:36,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:41:36,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:41:36,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:41:36,429 INFO L158 Benchmark]: Toolchain (without parser) took 15774.28ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.5MB in the beginning and 101.8MB in the end (delta: -8.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:41:36,429 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 77.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:36,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.67ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:41:36,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.32ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:36,430 INFO L158 Benchmark]: Boogie Preprocessor took 66.80ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:36,431 INFO L158 Benchmark]: RCFGBuilder took 766.27ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 92.9MB in the end (delta: -14.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 03:41:36,432 INFO L158 Benchmark]: CodeCheck took 14239.86ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 106.0MB in the end (delta: -13.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:36,432 INFO L158 Benchmark]: Witness Printer took 159.39ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 101.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:36,435 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 411 IncrementalHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 121 mSDtfsCounter, 411 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 618 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2174 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 22 QuantifiedInterpolants, 746 SizeOfPredicates, 32 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 69]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 77.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.67ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.32ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.80ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 766.27ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 92.9MB in the end (delta: -14.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 14239.86ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 106.0MB in the end (delta: -13.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 159.39ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 101.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32][22:0]) == #res && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0])) && ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32) == #memory_int[v_ULTIMATE.start_trunc_float_~#sf_u~0#1.base_14][0bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22 : bv32 :: ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][31:31], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][30:23], #memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32][22:0]) && ~signbit~0 == ~bvand~32(#memory_int[v_ULTIMATE.start_trunc_float_~#gf_u~0#1.base_22][0bv32], 2147483648bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_7 : bv32 :: ~fp~32(~bvand~32(v_arrayElimCell_7, 2147483648bv32)[31:31], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[30:23], ~bvand~32(v_arrayElimCell_7, 2147483648bv32)[22:0]) == ~fp~32(~w~1[31:31], ~w~1[30:23], ~w~1[22:0]) && ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 RESULT: Ultimate proved your program to be correct! [2023-11-19 03:41:36,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8aef5d0-2158-4709-bd7a-a139a79d4e9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE