./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfed7fd71f730b55d3806beef3ca32fd0a7855d8ce409d1c47ac24ae5abb4105 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:56:13,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:56:13,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:56:13,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:56:13,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:56:13,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:56:13,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:56:13,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:56:13,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:56:13,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:56:13,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:56:13,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:56:13,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:56:13,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:56:13,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:56:13,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:56:13,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:56:13,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:56:13,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:56:13,585 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:56:13,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:56:13,586 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:56:13,587 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:56:13,587 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:56:13,588 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:56:13,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:56:13,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:56:13,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:56:13,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:56:13,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:56:13,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:56:13,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:56:13,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:56:13,592 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_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfed7fd71f730b55d3806beef3ca32fd0a7855d8ce409d1c47ac24ae5abb4105 [2023-12-02 23:56:13,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:56:13,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:56:13,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:56:13,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:56:13,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:56:13,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2023-12-02 23:56:16,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:56:16,807 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:56:16,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2023-12-02 23:56:16,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data/9b53ce82b/8ef325e006d247549900e8d989b30c25/FLAG2f0a4078e [2023-12-02 23:56:16,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data/9b53ce82b/8ef325e006d247549900e8d989b30c25 [2023-12-02 23:56:16,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:56:16,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:56:16,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:56:16,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:56:16,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:56:16,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:56:16" (1/1) ... [2023-12-02 23:56:16,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4094156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:16, skipping insertion in model container [2023-12-02 23:56:16,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:56:16" (1/1) ... [2023-12-02 23:56:16,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:56:17,068 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_0c794c23-633d-411f-b5f1-3de71ffdabaf/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2023-12-02 23:56:17,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:56:17,085 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:56:17,129 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_0c794c23-633d-411f-b5f1-3de71ffdabaf/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2023-12-02 23:56:17,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:56:17,146 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:56:17,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17 WrapperNode [2023-12-02 23:56:17,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:56:17,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:56:17,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:56:17,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:56:17,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,191 INFO L138 Inliner]: procedures = 19, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 322 [2023-12-02 23:56:17,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:56:17,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:56:17,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:56:17,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:56:17,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:56:17,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:56:17,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:56:17,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:56:17,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:56:17,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:56:17,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:56:17,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:56:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:56:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:56:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:56:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 23:56:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:56:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 23:56:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:56:17,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:56:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:56:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:56:17,419 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:56:17,422 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:56:17,798 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:56:17,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:56:17,974 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 23:56:17,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:56:17 BoogieIcfgContainer [2023-12-02 23:56:17,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:56:17,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:56:17,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:56:17,987 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:56:17,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:56:17" (1/1) ... [2023-12-02 23:56:17,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:56:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-12-02 23:56:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-12-02 23:56:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:56:18,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:56:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-12-02 23:56:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-12-02 23:56:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:56:18,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:56:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-12-02 23:56:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-02 23:56:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:56:18,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:18,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:56:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:56:18,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:56:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:56:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:56:18,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:56:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:56:18,598 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 23:56:18,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-12-02 23:56:18,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret22 could not be translated [2023-12-02 23:56:18,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-12-02 23:56:18,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:56:18 ImpRootNode [2023-12-02 23:56:18,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:56:18,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:56:18,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:56:18,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:56:18,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:56:17" (3/4) ... [2023-12-02 23:56:18,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:56:18,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:56:18,643 INFO L158 Benchmark]: Toolchain (without parser) took 1813.77ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 112.5MB in the beginning and 94.0MB in the end (delta: 18.5MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-12-02 23:56:18,644 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:56:18,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.82ms. Allocated memory is still 153.1MB. Free memory was 112.0MB in the beginning and 98.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:56:18,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.66ms. Allocated memory is still 153.1MB. Free memory was 98.6MB in the beginning and 95.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:18,646 INFO L158 Benchmark]: Boogie Preprocessor took 42.64ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:18,647 INFO L158 Benchmark]: RCFGBuilder took 741.48ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 93.6MB in the beginning and 137.0MB in the end (delta: -43.4MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-12-02 23:56:18,647 INFO L158 Benchmark]: CodeCheck took 659.66ms. Allocated memory is still 192.9MB. Free memory was 137.0MB in the beginning and 94.0MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 23:56:18,648 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 192.9MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:56:18,651 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 30 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 152 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, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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: 190]: 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 163, overapproximation of bitwiseOr at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 135. Possible FailurePath: [L19-L28] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L30] static const double zero = 0.0; [L113-L116] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L118] static const double zero_log10 = 0.0; [L182] double x = __VERIFIER_nondet_double(); [L184] x < 0 && isfinite_double(x) [L184] CALL, EXPR isfinite_double(x) [L166] __int32_t hx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L168] ieee_double_shape_type gh_u; [L169] EXPR gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] EXPR (hx) = gh_u.parts.msw [L167-L171] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=2146435071, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L184] RET, EXPR isfinite_double(x) [L184] x < 0 && isfinite_double(x) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L184] COND TRUE x < 0 && isfinite_double(x) [L186] CALL, EXPR __ieee754_log10(x) [L121] double y, z; [L122] __int32_t i, k, hx; [L123] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L126] ieee_double_shape_type ew_u; [L127] EXPR ew_u.value = (x) [L128] EXPR ew_u.parts.msw [L128] EXPR (hx) = ew_u.parts.msw [L129] EXPR ew_u.parts.lsw [L129] EXPR (lx) = ew_u.parts.lsw [L125-L130] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L132] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L133] COND TRUE hx < 0x00100000 [L134] EXPR (hx & 0x7fffffff) | lx VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L134] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L135] return -two54_log10 / zero_log10; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] [L186] RET, EXPR __ieee754_log10(x) [L186] double res = __ieee754_log10(x); [L189] CALL, EXPR isnan_double(res) [L163] return x != x; [L189] RET, EXPR isnan_double(res) [L189] COND TRUE !isnan_double(res) [L190] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8, two54_log10=18014398509481984, two54_log=18014398509481984, x=2, zero=0, zero_log10=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.82ms. Allocated memory is still 153.1MB. Free memory was 112.0MB in the beginning and 98.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.66ms. Allocated memory is still 153.1MB. Free memory was 98.6MB in the beginning and 95.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.64ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.48ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 93.6MB in the beginning and 137.0MB in the end (delta: -43.4MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * CodeCheck took 659.66ms. Allocated memory is still 192.9MB. Free memory was 137.0MB in the beginning and 94.0MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 192.9MB. Free memory is still 94.0MB. 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~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 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 [2023-12-02 23:56:18,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfed7fd71f730b55d3806beef3ca32fd0a7855d8ce409d1c47ac24ae5abb4105 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:56:20,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:56:20,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:56:20,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:56:20,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:56:20,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:56:20,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:56:20,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:56:20,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:56:20,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:56:20,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:56:20,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:56:20,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:56:20,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:56:20,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:56:20,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:56:20,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:56:20,745 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:56:20,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:56:20,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:56:20,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:56:20,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:56:20,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:56:20,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:56:20,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:56:20,750 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:20,751 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:56:20,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:56:20,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:56:20,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:56:20,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:56:20,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:56:20,753 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:56:20,754 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:20,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:56:20,754 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:56:20,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:56:20,755 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_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfed7fd71f730b55d3806beef3ca32fd0a7855d8ce409d1c47ac24ae5abb4105 [2023-12-02 23:56:21,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:56:21,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:56:21,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:56:21,075 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:56:21,075 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:56:21,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2023-12-02 23:56:23,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:56:24,055 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:56:24,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2023-12-02 23:56:24,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data/e75352f4a/31b5e63240a940f0949348e3230a7b42/FLAG9a722e071 [2023-12-02 23:56:24,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/data/e75352f4a/31b5e63240a940f0949348e3230a7b42 [2023-12-02 23:56:24,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:56:24,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:56:24,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:56:24,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:56:24,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:56:24,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd03d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24, skipping insertion in model container [2023-12-02 23:56:24,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:56:24,329 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_0c794c23-633d-411f-b5f1-3de71ffdabaf/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2023-12-02 23:56:24,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:56:24,354 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:56:24,403 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_0c794c23-633d-411f-b5f1-3de71ffdabaf/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c[4903,4916] [2023-12-02 23:56:24,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:56:24,427 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:56:24,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24 WrapperNode [2023-12-02 23:56:24,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:56:24,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:56:24,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:56:24,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:56:24,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,490 INFO L138 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 249 [2023-12-02 23:56:24,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:56:24,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:56:24,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:56:24,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:56:24,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:56:24,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:56:24,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:56:24,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:56:24,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:56:24" (1/1) ... [2023-12-02 23:56:24,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:56:24,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:56:24,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:56:24,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:56:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:56:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 23:56:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 23:56:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:56:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:56:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:56:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:56:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:56:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:56:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:56:24,727 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:56:24,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:58:24,709 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:58:24,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:58:24,787 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 23:58:24,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:24 BoogieIcfgContainer [2023-12-02 23:58:24,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:58:24,790 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:58:24,790 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:58:24,802 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:58:24,802 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:24" (1/1) ... [2023-12-02 23:58:24,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:58:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-12-02 23:58:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-12-02 23:58:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:58:24,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:24,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:24,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:24,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:24,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:58:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:25,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:25,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:58:25,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:25,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:58:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2023-12-02 23:58:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-12-02 23:58:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:58:25,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:25,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:25,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:58:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:26,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:26,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:58:26,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:26,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:58:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2023-12-02 23:58:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2023-12-02 23:58:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:58:26,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:26,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:26,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:26,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:26,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:58:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:27,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:27,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:58:27,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:27,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:58:27,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-12-02 23:58:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-12-02 23:58:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:58:27,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:27,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:27,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:27,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:27,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:58:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:28,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:28,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:58:28,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:28,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 23:58:31,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:58:31,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2023-12-02 23:58:41,479 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) is different from true [2023-12-02 23:58:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:41,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:58:57,629 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|))))) is different from false [2023-12-02 23:58:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-12-02 23:58:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-12-02 23:58:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:58:57,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:57,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:57,654 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:57,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:58:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:58,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:58,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:58:58,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:59,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 23:59:00,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:59:00,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2023-12-02 23:59:10,567 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))) is different from true [2023-12-02 23:59:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:10,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:59:10,915 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:59:20,968 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) is different from true [2023-12-02 23:59:30,981 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) is different from false [2023-12-02 23:59:41,008 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))))) is different from false [2023-12-02 23:59:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-12-02 23:59:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-12-02 23:59:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:59:41,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:41,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:41,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:59:41,043 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:59:41,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:59:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:42,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:59:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:42,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:59:42,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:42,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 23:59:43,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:59:43,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2023-12-02 23:59:53,825 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))) is different from true [2023-12-02 23:59:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:59:54,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:02:30,437 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:05:02,334 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|))))) (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))))) is different from false [2023-12-03 00:05:12,374 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|))))) (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))))) is different from true [2023-12-03 00:05:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-12-03 00:05:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-12-03 00:05:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:05:12,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:05:12,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:05:12,389 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:05:12,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:05:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:13,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:05:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:13,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:05:13,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:13,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 00:05:47,574 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 23 treesize of output 15 [2023-12-03 00:05:57,722 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_42| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_42|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_42|)))) is different from true [2023-12-03 00:05:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:05:58,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:06:41,067 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))) (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_42| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_42|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_42|))))) is different from true [2023-12-03 00:06:51,079 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_42| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_42|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_42|))))) is different from false [2023-12-03 00:07:01,109 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))) (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_42| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_42|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_42|)))))) is different from false [2023-12-03 00:07:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-12-03 00:07:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-12-03 00:07:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:07:01,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:01,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:01,146 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:01,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:07:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:02,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:02,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:07:02,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:02,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 00:07:13,846 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 23 treesize of output 15 [2023-12-03 00:07:23,983 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))) is different from true [2023-12-03 00:07:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:07:24,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:07:34,370 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32)))))) is different from false [2023-12-03 00:07:44,395 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) (not (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))))) is different from false [2023-12-03 00:07:54,450 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) (not (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32)))))))) is different from true [2023-12-03 00:08:04,481 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|))))) (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) (not (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))))) is different from false [2023-12-03 00:08:14,532 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|))))) (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) (not (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32)))))))) is different from true [2023-12-03 00:08:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-12-03 00:08:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-12-03 00:08:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:08:14,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:14,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:14,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:14,551 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:14,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:08:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:15,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:08:15,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:16,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-03 00:08:17,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:08:17,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2023-12-03 00:08:27,640 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_54|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_54|))))) is different from true [2023-12-03 00:08:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:27,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:08:37,974 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_54|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_54|))))) (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_42| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_42|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_42|))))) is different from true [2023-12-03 00:08:47,983 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_54|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_54|)))))) is different from false [2023-12-03 00:08:58,016 WARN L854 $PredicateComparison]: unable to prove that (not (and (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_24|))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_24|)))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_30| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_30|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_30|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_30|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|))) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_54| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_54|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_54|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_54|))))) (exists ((|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_42| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_42|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_42|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_42|)))))) is different from false [2023-12-03 00:08:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:58,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2023-12-03 00:08:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2023-12-03 00:08:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:08:58,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:58,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:58,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:58,063 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:58,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:08:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:08:59,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:59,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 00:09:10,775 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 23 treesize of output 15 [2023-12-03 00:09:20,880 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_60| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_60|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_60|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))) is different from true [2023-12-03 00:09:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:21,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c794c23-633d-411f-b5f1-3de71ffdabaf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:09:31,207 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|v_skolemized_q#valueAsBitvector_60| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_60|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_60|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32)))))) is different from false [2023-12-03 00:09:41,238 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|)))) (not (exists ((|v_skolemized_q#valueAsBitvector_48| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_48|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_48|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_48|) |c_ULTIMATE.start___ieee754_log10_~hx~1#1|) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_60| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_41| (_ BitVec 64))) (and (= |c_ULTIMATE.start___ieee754_log10_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_60|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_41|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_41|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_60|))) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_41|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))))) is different from false