./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:12,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:12,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:31:12,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:12,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:12,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:12,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:13,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:13,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:31:13,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:31:13,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:13,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:13,003 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:13,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:13,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:31:13,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:31:13,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:31:13,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:31:13,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:13,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:31:13,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:31:13,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:31:13,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:31:13,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:13,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:13,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:13,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:13,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:31:13,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:13,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:13,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:31:13,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:31:13,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:31:13,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:31:13,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:31:13,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:31:13,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:31:13,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:31:13,024 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:31:13,025 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2023-11-12 02:31:13,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:13,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:13,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:13,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:13,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:13,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2023-11-12 02:31:16,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:16,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:16,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2023-11-12 02:31:16,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data/f77500c51/b0111236e775448592aa260d20d9f22c/FLAG8a722086c [2023-11-12 02:31:16,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data/f77500c51/b0111236e775448592aa260d20d9f22c [2023-11-12 02:31:16,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:16,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:16,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:16,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:16,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:16,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6862249d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:16, skipping insertion in model container [2023-11-12 02:31:16,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:16" (1/1) ... [2023-11-12 02:31:16,852 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:17,067 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_190a09ff-bfe4-488b-b5ec-a07342825496/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2023-11-12 02:31:17,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:17,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:17,133 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_190a09ff-bfe4-488b-b5ec-a07342825496/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2023-11-12 02:31:17,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:17,164 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:17,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17 WrapperNode [2023-11-12 02:31:17,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:17,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:17,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:17,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:17,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,264 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 430 [2023-11-12 02:31:17,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:17,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:17,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:17,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:17,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:17,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:17,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:17,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:17,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (1/1) ... [2023-11-12 02:31:17,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:17,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:17,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:17,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:31:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:31:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-12 02:31:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-12 02:31:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:31:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-12 02:31:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:31:17,526 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:17,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:18,272 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:18,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:18,280 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-12 02:31:18,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:18 BoogieIcfgContainer [2023-11-12 02:31:18,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:18,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:18,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:18,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:18,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:31:16" (1/3) ... [2023-11-12 02:31:18,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dbb53c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:18, skipping insertion in model container [2023-11-12 02:31:18,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:17" (2/3) ... [2023-11-12 02:31:18,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dbb53c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:18, skipping insertion in model container [2023-11-12 02:31:18,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:18" (3/3) ... [2023-11-12 02:31:18,314 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2023-11-12 02:31:18,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:18,332 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:31:18,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:31:18,390 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70c2ba3b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:31:18,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:31:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.7606837606837606) internal successors, (206), 118 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 02:31:18,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:18,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:18,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:18,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:18,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1639064733, now seen corresponding path program 1 times [2023-11-12 02:31:18,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:18,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445026265] [2023-11-12 02:31:18,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:18,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:18,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:18,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445026265] [2023-11-12 02:31:18,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445026265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:18,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:18,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:31:18,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642264912] [2023-11-12 02:31:18,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:18,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:31:18,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:18,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:31:18,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:31:18,711 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.7606837606837606) internal successors, (206), 118 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:18,743 INFO L93 Difference]: Finished difference Result 236 states and 410 transitions. [2023-11-12 02:31:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:31:18,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-12 02:31:18,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:18,755 INFO L225 Difference]: With dead ends: 236 [2023-11-12 02:31:18,755 INFO L226 Difference]: Without dead ends: 116 [2023-11-12 02:31:18,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:31:18,763 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:18,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-12 02:31:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-12 02:31:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.617391304347826) internal successors, (186), 115 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 186 transitions. [2023-11-12 02:31:18,809 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 186 transitions. Word has length 15 [2023-11-12 02:31:18,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:18,809 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 186 transitions. [2023-11-12 02:31:18,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 186 transitions. [2023-11-12 02:31:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 02:31:18,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:18,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:18,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:31:18,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:18,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:18,813 INFO L85 PathProgramCache]: Analyzing trace with hash 293310406, now seen corresponding path program 1 times [2023-11-12 02:31:18,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:18,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612592364] [2023-11-12 02:31:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:18,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:18,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:18,983 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:31:18,985 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:31:18,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:31:18,991 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:31:18,995 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:31:19,018 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:31:19,019 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:31:19,019 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-12 02:31:19,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:31:19 BoogieIcfgContainer [2023-11-12 02:31:19,031 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:31:19,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:31:19,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:31:19,032 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:31:19,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:18" (3/4) ... [2023-11-12 02:31:19,035 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:31:19,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:31:19,037 INFO L158 Benchmark]: Toolchain (without parser) took 2229.82ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 130.3MB in the beginning and 132.9MB in the end (delta: -2.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-12 02:31:19,037 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:19,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.95ms. Allocated memory is still 161.5MB. Free memory was 130.3MB in the beginning and 114.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:19,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.68ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 111.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:19,039 INFO L158 Benchmark]: Boogie Preprocessor took 52.40ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:31:19,040 INFO L158 Benchmark]: RCFGBuilder took 964.42ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 128.2MB in the end (delta: -19.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-12 02:31:19,041 INFO L158 Benchmark]: TraceAbstraction took 726.27ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 134.0MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-12 02:31:19,041 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 199.2MB. Free memory was 134.0MB in the beginning and 132.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:19,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.95ms. Allocated memory is still 161.5MB. Free memory was 130.3MB in the beginning and 114.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.68ms. Allocated memory is still 161.5MB. Free memory was 114.8MB in the beginning and 111.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.40ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 108.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 964.42ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 128.2MB in the end (delta: -19.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 726.27ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 134.0MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 199.2MB. Free memory was 134.0MB in the beginning and 132.9MB in the end (delta: 1.0MB). 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~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 177]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L171] double x = __VERIFIER_nondet_double(); [L172] double y = 0.0; [L173] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, one_fmod=1, x=2147483661, y=0] [L30] ieee_double_shape_type ew_u; [L31] EXPR ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] EXPR (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] EXPR (lx) = ew_u.parts.lsw [L29-L34] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, lx=2147483649, one_fmod=1, x=2147483661, y=0] [L36] ieee_double_shape_type ew_u; [L37] EXPR ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] EXPR (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] EXPR (ly) = ew_u.parts.lsw [L35-L40] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, hy=-2147483648, lx=2147483649, ly=0, one_fmod=1, x=2147483661, y=0] [L41] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, hy=-2147483648, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483661, y=0] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483661, y=0] [L45] EXPR hy | ly VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483661, y=0] [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483661, y=0] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=2147483661, \old(y)=0, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483661, y=0] [L173] RET, EXPR fmod_double(x, y) [L173] double res = fmod_double(x, y); [L176] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [Zero_fmod={4:0}, \old(x)=2147483660, \result=0, one_fmod=1, x=2147483660] [L176] RET, EXPR isnan_double(res) [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=2147483660, x=2147483661, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 189 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:31:19,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:21,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:22,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:31:22,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:22,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:22,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:22,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:22,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:22,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:31:22,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:31:22,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:22,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:22,088 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:22,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:22,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:31:22,092 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:31:22,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:31:22,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:22,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:31:22,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:31:22,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:31:22,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:31:22,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:31:22,097 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:31:22,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:31:22,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:22,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:22,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:22,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:22,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:31:22,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:22,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:22,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:31:22,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:31:22,104 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:31:22,104 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:31:22,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:31:22,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:31:22,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:31:22,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:31:22,107 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:31:22,107 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:31:22,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2023-11-12 02:31:22,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:22,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:22,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:22,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:22,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:22,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2023-11-12 02:31:25,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:26,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:26,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2023-11-12 02:31:26,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data/29443385b/9abefd3e142449e697106c8f8290464f/FLAG47c2b9302 [2023-11-12 02:31:26,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/data/29443385b/9abefd3e142449e697106c8f8290464f [2023-11-12 02:31:26,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:26,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:26,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:26,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:26,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:26,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4308d6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26, skipping insertion in model container [2023-11-12 02:31:26,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:26,643 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_190a09ff-bfe4-488b-b5ec-a07342825496/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2023-11-12 02:31:26,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:26,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:26,764 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_190a09ff-bfe4-488b-b5ec-a07342825496/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2023-11-12 02:31:26,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:26,790 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:26,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26 WrapperNode [2023-11-12 02:31:26,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:26,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:26,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:26,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:26,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,883 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 228 [2023-11-12 02:31:26,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:26,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:26,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:26,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:26,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:26,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:26,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:26,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:26,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (1/1) ... [2023-11-12 02:31:26,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:27,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:27,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:27,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-12 02:31:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-12 02:31:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:31:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:31:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-12 02:31:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:31:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:31:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:31:27,204 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:27,207 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:32,838 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:32,845 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:32,846 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-12 02:31:32,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:32 BoogieIcfgContainer [2023-11-12 02:31:32,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:32,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:32,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:32,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:32,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:31:26" (1/3) ... [2023-11-12 02:31:32,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aec3b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:32, skipping insertion in model container [2023-11-12 02:31:32,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:26" (2/3) ... [2023-11-12 02:31:32,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aec3b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:32, skipping insertion in model container [2023-11-12 02:31:32,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:32" (3/3) ... [2023-11-12 02:31:32,860 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2023-11-12 02:31:32,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:32,880 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:31:32,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:31:32,946 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d058d57, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:31:32,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:31:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 02:31:32,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:32,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:32,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:32,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2023-11-12 02:31:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:31:32,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194663578] [2023-11-12 02:31:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:31:32,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:31:33,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:31:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:33,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:31:33,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:33,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:33,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:31:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194663578] [2023-11-12 02:31:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194663578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:33,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:33,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:31:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855844760] [2023-11-12 02:31:33,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:34,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:31:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:31:34,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:31:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:31:34,049 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:34,083 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2023-11-12 02:31:34,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:31:34,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-12 02:31:34,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:34,095 INFO L225 Difference]: With dead ends: 108 [2023-11-12 02:31:34,095 INFO L226 Difference]: Without dead ends: 52 [2023-11-12 02:31:34,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:31:34,102 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:34,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:34,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-12 02:31:34,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 02:31:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 51 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2023-11-12 02:31:34,144 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2023-11-12 02:31:34,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:34,144 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2023-11-12 02:31:34,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-12 02:31:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 02:31:34,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:34,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:34,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:31:34,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:34,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:34,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2023-11-12 02:31:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:31:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268791005] [2023-11-12 02:31:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:34,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:31:34,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:31:34,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:31:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:35,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:31:35,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:41,052 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res#1|)) is different from false [2023-11-12 02:31:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:44,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:44,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:31:44,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268791005] [2023-11-12 02:31:44,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268791005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:44,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:44,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:31:44,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769139956] [2023-11-12 02:31:44,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:44,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:31:44,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:31:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:31:44,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2023-11-12 02:31:44,389 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:48,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:31:50,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:31:52,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:31:54,792 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| (_ +zero 11 53)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res#1|)) (= (_ +zero 11 53) |c_ULTIMATE.start_fmod_double_~y#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-12 02:31:55,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:55,268 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2023-11-12 02:31:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:31:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-12 02:31:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:55,305 INFO L225 Difference]: With dead ends: 57 [2023-11-12 02:31:55,305 INFO L226 Difference]: Without dead ends: 52 [2023-11-12 02:31:55,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=18, Invalid=30, Unknown=2, NotChecked=22, Total=72 [2023-11-12 02:31:55,308 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 139 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:55,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 224 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 3 Unknown, 82 Unchecked, 8.1s Time] [2023-11-12 02:31:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-12 02:31:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 02:31:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 51 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2023-11-12 02:31:55,318 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2023-11-12 02:31:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:55,319 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2023-11-12 02:31:55,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2023-11-12 02:31:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 02:31:55,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:55,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:55,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:31:55,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:55,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:55,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:55,528 INFO L85 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2023-11-12 02:31:55,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:31:55,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845878504] [2023-11-12 02:31:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:55,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:55,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:31:55,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:31:55,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:31:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:55,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:31:55,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:56,326 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:56,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:31:56,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845878504] [2023-11-12 02:31:56,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845878504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:56,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:56,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:56,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863606961] [2023-11-12 02:31:56,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:56,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:56,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:31:56,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:56,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:56,335 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:56,520 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2023-11-12 02:31:56,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:56,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-12 02:31:56,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:56,525 INFO L225 Difference]: With dead ends: 52 [2023-11-12 02:31:56,525 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:31:56,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:56,527 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:56,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:56,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:31:56,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:31:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:31:56,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-12 02:31:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:56,530 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:31:56,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:31:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:31:56,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:31:56,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:31:56,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:31:56,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:56,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:31:56,988 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2023-11-12 02:31:56,989 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2023-11-12 02:31:56,989 INFO L899 garLoopResultBuilder]: For program point isnan_double_returnLabel#1(line 18) no Hoare annotation was computed. [2023-11-12 02:31:56,990 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2023-11-12 02:31:56,990 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2023-11-12 02:31:56,991 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2023-11-12 02:31:56,991 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2023-11-12 02:31:56,991 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2023-11-12 02:31:56,991 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:56,991 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2023-11-12 02:31:56,992 INFO L895 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2023-11-12 02:31:56,992 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-12 02:31:56,992 INFO L895 garLoopResultBuilder]: At program point L154-1(lines 154 159) the Hoare annotation is: false [2023-11-12 02:31:56,992 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2023-11-12 02:31:56,992 INFO L899 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:56,992 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:56,993 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2023-11-12 02:31:56,993 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2023-11-12 02:31:56,993 INFO L899 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2023-11-12 02:31:56,993 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2023-11-12 02:31:56,994 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2023-11-12 02:31:56,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:31:56,994 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2023-11-12 02:31:56,994 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-12 02:31:56,995 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2023-11-12 02:31:56,995 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2023-11-12 02:31:56,995 INFO L895 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2023-11-12 02:31:56,995 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 179) no Hoare annotation was computed. [2023-11-12 02:31:56,996 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 165 182) no Hoare annotation was computed. [2023-11-12 02:31:57,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:31:57,009 INFO L899 garLoopResultBuilder]: For program point fmod_double_returnLabel#1(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:57,009 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2023-11-12 02:31:57,009 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2023-11-12 02:31:57,009 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2023-11-12 02:31:57,010 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2023-11-12 02:31:57,010 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~y#1| (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-12 02:31:57,010 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2023-11-12 02:31:57,010 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:31:57,011 INFO L895 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2023-11-12 02:31:57,011 INFO L899 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:57,011 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2023-11-12 02:31:57,011 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2023-11-12 02:31:57,011 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2023-11-12 02:31:57,012 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:57,012 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:57,012 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:31:57,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2023-11-12 02:31:57,012 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2023-11-12 02:31:57,013 INFO L899 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2023-11-12 02:31:57,013 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2023-11-12 02:31:57,013 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-12 02:31:57,013 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2023-11-12 02:31:57,013 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2023-11-12 02:31:57,014 INFO L895 garLoopResultBuilder]: At program point L35-1(lines 35 40) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~y#1| (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-12 02:31:57,014 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2023-11-12 02:31:57,019 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:31:57,022 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:31:57,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-12 02:31:57,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-12 02:31:57,042 ERROR L464 ceAbstractionStarter]: Failed to backtranslate (and (= |ULTIMATE.start_fmod_double_~y#1| (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-12 02:31:57,042 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,042 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-12 02:31:57,042 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,042 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-12 02:31:57,043 ERROR L464 ceAbstractionStarter]: Failed to backtranslate (and (= |ULTIMATE.start_fmod_double_~y#1| (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-12 02:31:57,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:31:57 BoogieIcfgContainer [2023-11-12 02:31:57,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:31:57,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:31:57,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:31:57,045 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:31:57,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:32" (3/4) ... [2023-11-12 02:31:57,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:31:57,057 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 02:31:57,058 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 02:31:57,058 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:31:57,058 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:31:57,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:31:57,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:31:57,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:31:57,148 INFO L158 Benchmark]: Toolchain (without parser) took 30887.10ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 71.6MB in the end (delta: 6.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,149 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:57,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.22ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 63.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.14ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,150 INFO L158 Benchmark]: Boogie Preprocessor took 96.29ms. Allocated memory is still 100.7MB. Free memory was 60.7MB in the beginning and 58.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,150 INFO L158 Benchmark]: RCFGBuilder took 5867.43ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 62.3MB in the end (delta: -3.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,151 INFO L158 Benchmark]: TraceAbstraction took 24191.38ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 75.8MB in the end (delta: -14.0MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,151 INFO L158 Benchmark]: Witness Printer took 103.50ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 71.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:31:57,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.22ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 63.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.14ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.29ms. Allocated memory is still 100.7MB. Free memory was 60.7MB in the beginning and 58.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5867.43ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 62.3MB in the end (delta: -3.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 24191.38ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 75.8MB in the end (delta: -14.0MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 103.50ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 71.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 177]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 8.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 82 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 161 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 22 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 147 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 35]: Loop Invariant [2023-11-12 02:31:57,164 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,164 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-12 02:31:57,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2023-11-12 02:31:57,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-12 02:31:57,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-12 02:31:57,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2023-11-12 02:31:57,395 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-12 02:31:57,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_190a09ff-bfe4-488b-b5ec-a07342825496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE