./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/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_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/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_9b4cb9ae-764b-496c-a674-2198b1b9d431/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 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:25,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:25,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:25,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:25,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:25,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:25,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:25,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:25,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:25,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:25,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:25,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:25,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:25,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:25,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:25,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:25,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:25,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:25,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:25,843 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:25,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:25,844 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:25,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:25,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:25,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:25,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:25,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:25,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:25,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:25,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:25,852 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:25,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:25,852 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:25,853 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 [2023-11-19 04:09:26,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:26,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:26,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:26,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:26,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:26,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-11-19 04:09:29,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:29,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:29,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-11-19 04:09:29,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data/a09757e0d/5974dcf030834990a67178f10b870177/FLAGeff1b1019 [2023-11-19 04:09:29,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data/a09757e0d/5974dcf030834990a67178f10b870177 [2023-11-19 04:09:29,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:29,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:29,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:29,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:29,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:29,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:29,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe276b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29, skipping insertion in model container [2023-11-19 04:09:29,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:29,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:29,905 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-11-19 04:09:29,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:29,919 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:29,942 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-11-19 04:09:29,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:29,958 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:29,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29 WrapperNode [2023-11-19 04:09:29,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:29,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:29,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:29,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:29,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:29,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:29,995 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-19 04:09:29,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:29,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:29,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:29,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:30,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:30,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:30,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:30,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:30,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:29" (1/1) ... [2023-11-19 04:09:30,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:30,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:30,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-11-19 04:09:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-11-19 04:09:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:09:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:09:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:30,182 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:30,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:30,367 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:30,555 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:30,562 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:09:30,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:30 BoogieIcfgContainer [2023-11-19 04:09:30,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:30,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:30,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:30,583 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:30,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:30" (1/1) ... [2023-11-19 04:09:30,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 04:09:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 04:09:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:09:30,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:30,790 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 04:09:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-19 04:09:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 04:09:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:09:30,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:30,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:30,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:09:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:31,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:09:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:31,117 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:09:31,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 04:09:31,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:09:31 ImpRootNode [2023-11-19 04:09:31,178 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:09:31,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:09:31,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:09:31,179 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:09:31,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:30" (3/4) ... [2023-11-19 04:09:31,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:09:31,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:09:31,185 INFO L158 Benchmark]: Toolchain (without parser) took 1474.15ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 94.9MB in the beginning and 134.1MB in the end (delta: -39.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-19 04:09:31,185 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:31,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.76ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 83.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:09:31,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.06ms. Allocated memory is still 140.5MB. Free memory was 83.5MB in the beginning and 81.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:31,187 INFO L158 Benchmark]: Boogie Preprocessor took 40.91ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:31,188 INFO L158 Benchmark]: RCFGBuilder took 531.28ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 80.6MB in the beginning and 158.1MB in the end (delta: -77.6MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:31,189 INFO L158 Benchmark]: CodeCheck took 608.83ms. Allocated memory is still 186.6MB. Free memory was 157.2MB in the beginning and 134.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:31,189 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 186.6MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:31,193 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 74]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L69] double x = 0.0 / 0.0; [L70] double y = 0.0 / 0.0; [L71] CALL, EXPR fmax_double(x, y) [L57] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=2] [L29] __uint32_t msw, lsw; VAL [\old(x)=2, x=2] [L32] ieee_double_shape_type ew_u; [L33] EXPR ew_u.value = (x) [L34] EXPR ew_u.parts.msw [L34] EXPR (msw) = ew_u.parts.msw [L35] EXPR ew_u.parts.lsw [L35] EXPR (lsw) = ew_u.parts.lsw [L31-L36] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=2, lsw=7, msw=4293918721, x=2] [L38-L39] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L41-L42] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L44-L45] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L48-L49] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L52] return 0; [L57] RET, EXPR __fpclassify_double(x) VAL [\old(x)=2, \old(y)=3, x=2, y=3] [L57] COND TRUE __fpclassify_double(x) == 0 [L58] return y; VAL [\old(x)=2, \old(y)=3, \result=3, x=2, y=3] [L71] RET, EXPR fmax_double(x, y) [L71] double res = fmax_double(x, y); [L73] CALL, EXPR isnan_double(res) [L18] return x != x; [L73] RET, EXPR isnan_double(res) [L73] COND TRUE !isnan_double(res) [L74] reach_error() VAL [res=3, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.76ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 83.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.06ms. Allocated memory is still 140.5MB. Free memory was 83.5MB in the beginning and 81.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.91ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.28ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 80.6MB in the beginning and 158.1MB in the end (delta: -77.6MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * CodeCheck took 608.83ms. Allocated memory is still 186.6MB. Free memory was 157.2MB in the beginning and 134.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 186.6MB. Free memory is still 134.1MB. 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~ret6 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 04:09:31,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/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_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/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_9b4cb9ae-764b-496c-a674-2198b1b9d431/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 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:34,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:34,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:09:34,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:34,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:34,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:34,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:34,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:34,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:34,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:34,314 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:34,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:34,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:34,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:34,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:34,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:34,317 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:09:34,318 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:09:34,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:09:34,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:34,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:34,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:34,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:34,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:34,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:34,322 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:34,322 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:34,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:34,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:34,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:34,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:34,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:34,325 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:09:34,326 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:34,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:34,326 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:09:34,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:34,327 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 358b07b46b4639b5c555cb2780810d0868bad1e2d0b3519866cd72c195065fc2 [2023-11-19 04:09:34,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:34,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:34,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:34,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:34,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:34,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-11-19 04:09:37,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:38,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:38,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/sv-benchmarks/c/float-newlib/double_req_bl_1250.c [2023-11-19 04:09:38,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data/157e11c06/6b30ca4a92fa412db84b019ec6ca2e07/FLAG4c1d557bd [2023-11-19 04:09:38,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/data/157e11c06/6b30ca4a92fa412db84b019ec6ca2e07 [2023-11-19 04:09:38,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:38,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:38,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:38,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:38,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:38,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606d5d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38, skipping insertion in model container [2023-11-19 04:09:38,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:38,465 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-11-19 04:09:38,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:38,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:38,513 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_9b4cb9ae-764b-496c-a674-2198b1b9d431/sv-benchmarks/c/float-newlib/double_req_bl_1250.c[1965,1978] [2023-11-19 04:09:38,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:38,538 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:38,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38 WrapperNode [2023-11-19 04:09:38,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:38,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:38,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:38,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:38,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,595 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-19 04:09:38,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:38,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:38,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:38,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:38,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:38,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:38,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:38,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:38,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:38" (1/1) ... [2023-11-19 04:09:38,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:38,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:38,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:38,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:09:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:09:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-11-19 04:09:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-11-19 04:09:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:09:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:38,919 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:38,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:39,199 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:39,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:39,350 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:09:39,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:39 BoogieIcfgContainer [2023-11-19 04:09:39,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:39,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:39,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:39,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:39,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:39" (1/1) ... [2023-11-19 04:09:39,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-19 04:09:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-19 04:09:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:09:39,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:39,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:39,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:39,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:39,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:09:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:39,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:39,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:39,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:39,760 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 04:09:39,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:09:39,765 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:09:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-19 04:09:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 04:09:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:09:39,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:39,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:39,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:39,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:39,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:09:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,411 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 04:09:40,415 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:09:40,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:09:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-11-19 04:09:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 04:09:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:40,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:40,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:40,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:41,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:09:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:41,668 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:09:41,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 04:09:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2023-11-19 04:09:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-19 04:09:42,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:09:42,494 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 04:09:42,504 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:09:42,554 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:42,557 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:42,557 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:42,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:09:42 ImpRootNode [2023-11-19 04:09:42,558 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:09:42,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:09:42,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:09:42,559 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:09:42,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:39" (3/4) ... [2023-11-19 04:09:42,566 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:09:42,570 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-11-19 04:09:42,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 04:09:42,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:09:42,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:09:42,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:09:42,715 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:09:42,716 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:09:42,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:09:42,717 INFO L158 Benchmark]: Toolchain (without parser) took 4508.85ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 49.3MB in the beginning and 63.6MB in the end (delta: -14.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:42,717 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:42,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.09ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 37.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:09:42,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.61ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 35.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:42,725 INFO L158 Benchmark]: Boogie Preprocessor took 103.37ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 35.9MB in the beginning and 79.5MB in the end (delta: -43.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:09:42,725 INFO L158 Benchmark]: RCFGBuilder took 656.79ms. Allocated memory is still 100.7MB. Free memory was 79.5MB in the beginning and 60.6MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:09:42,726 INFO L158 Benchmark]: CodeCheck took 3197.69ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 68.2MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:42,726 INFO L158 Benchmark]: Witness Printer took 158.00ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 63.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:42,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 56 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 8 QuantifiedInterpolants, 116 SizeOfPredicates, 18 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 74]: 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: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.09ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 37.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.61ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 35.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 103.37ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 35.9MB in the beginning and 79.5MB in the end (delta: -43.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 656.79ms. Allocated memory is still 100.7MB. Free memory was 79.5MB in the beginning and 60.6MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3197.69ms. Allocated memory is still 100.7MB. Free memory was 60.3MB in the beginning and 68.2MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.00ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 63.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:09:42,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4cb9ae-764b-496c-a674-2198b1b9d431/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE