./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i --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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 38ff29ca823d3fabba03e4fbd7eddc473b350ca4f58c43465ea4147ad1b90a75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:13,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:13,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:04:13,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:13,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:14,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:14,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:14,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:14,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:14,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:14,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:14,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:14,008 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:14,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:14,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:14,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:14,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:14,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:14,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:14,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:14,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:14,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:14,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:14,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:14,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:14,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:14,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:14,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:14,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:14,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:14,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:14,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:14,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:14,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:04:14,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:14,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:14,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:14,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:14,024 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:14,024 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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38ff29ca823d3fabba03e4fbd7eddc473b350ca4f58c43465ea4147ad1b90a75 [2023-11-12 02:04:14,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:14,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:14,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:14,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:14,330 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:14,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i [2023-11-12 02:04:17,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:17,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:17,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i [2023-11-12 02:04:17,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data/15316814c/b85db7613bb94a7885eb9daa37cf021a/FLAG445e605ad [2023-11-12 02:04:17,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data/15316814c/b85db7613bb94a7885eb9daa37cf021a [2023-11-12 02:04:17,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:17,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:17,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:17,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:17,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:17,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10044a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17, skipping insertion in model container [2023-11-12 02:04:17,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:18,174 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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i[912,925] [2023-11-12 02:04:18,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:18,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:18,286 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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i[912,925] [2023-11-12 02:04:18,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:18,343 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:18,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18 WrapperNode [2023-11-12 02:04:18,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:18,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:18,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:18,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:18,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,418 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-12 02:04:18,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:18,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:18,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:18,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:18,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:18,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:18,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:18,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:18,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (1/1) ... [2023-11-12 02:04:18,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:18,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:18,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:18,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:18,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:18,621 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:18,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:18,939 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:18,947 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:18,948 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:18,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:18 BoogieIcfgContainer [2023-11-12 02:04:18,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:18,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:18,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:18,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:18,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:17" (1/3) ... [2023-11-12 02:04:18,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147356f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:18, skipping insertion in model container [2023-11-12 02:04:18,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:18" (2/3) ... [2023-11-12 02:04:18,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147356f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:18, skipping insertion in model container [2023-11-12 02:04:18,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:18" (3/3) ... [2023-11-12 02:04:18,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-2.i [2023-11-12 02:04:18,995 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:18,996 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:19,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:19,056 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;@270b8477, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:19,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:04:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-12 02:04:19,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:19,075 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:19,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:19,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:19,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2140347050, now seen corresponding path program 1 times [2023-11-12 02:04:19,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:19,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745657414] [2023-11-12 02:04:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:19,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:19,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:19,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745657414] [2023-11-12 02:04:19,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:04:19,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825994160] [2023-11-12 02:04:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:19,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:19,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:04:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:19,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:04:19,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-12 02:04:19,600 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:19,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825994160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:19,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:19,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:19,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253049654] [2023-11-12 02:04:19,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:19,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:19,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:19,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:19,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:19,650 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:04:19,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:19,681 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2023-11-12 02:04:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:19,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2023-11-12 02:04:19,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:19,693 INFO L225 Difference]: With dead ends: 99 [2023-11-12 02:04:19,693 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 02:04:19,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 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 02:04:19,701 INFO L413 NwaCegarLoop]: 69 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, 69 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 02:04:19,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 02:04:19,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 02:04:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:04:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2023-11-12 02:04:19,753 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 91 [2023-11-12 02:04:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:19,754 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2023-11-12 02:04:19,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:04:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-11-12 02:04:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 02:04:19,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:19,761 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:19,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:19,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:19,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:19,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:19,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1331715252, now seen corresponding path program 1 times [2023-11-12 02:04:19,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:19,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092378142] [2023-11-12 02:04:19,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:19,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:20,066 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:04:20,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378224907] [2023-11-12 02:04:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:20,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:20,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:20,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:20,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:04:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:20,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:04:20,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 147 proven. 9 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-12 02:04:20,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:04:21,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:21,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092378142] [2023-11-12 02:04:21,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:04:21,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378224907] [2023-11-12 02:04:21,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378224907] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:04:21,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:04:21,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-12 02:04:21,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665540388] [2023-11-12 02:04:21,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:21,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:04:21,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:21,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:04:21,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:04:21,362 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-12 02:04:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:21,922 INFO L93 Difference]: Finished difference Result 123 states and 170 transitions. [2023-11-12 02:04:21,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:04:21,925 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) Word has length 92 [2023-11-12 02:04:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:21,928 INFO L225 Difference]: With dead ends: 123 [2023-11-12 02:04:21,929 INFO L226 Difference]: Without dead ends: 77 [2023-11-12 02:04:21,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2023-11-12 02:04:21,932 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 78 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:21,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 176 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:04:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-12 02:04:21,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2023-11-12 02:04:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 49 states have internal predecessors, (56), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:04:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2023-11-12 02:04:21,960 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 92 [2023-11-12 02:04:21,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:21,962 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2023-11-12 02:04:21,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-12 02:04:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-11-12 02:04:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 02:04:21,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:21,967 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:21,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:22,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:22,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:22,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:22,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1161227543, now seen corresponding path program 1 times [2023-11-12 02:04:22,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:22,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683203087] [2023-11-12 02:04:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:22,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:22,296 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:04:22,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613993178] [2023-11-12 02:04:22,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:22,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:22,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:22,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:22,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:04:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:22,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:04:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:22,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:04:22,669 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:04:22,671 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:04:22,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:22,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:22,882 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:04:22,886 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:22,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:22 BoogieIcfgContainer [2023-11-12 02:04:22,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:22,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:22,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:22,974 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:22,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:18" (3/4) ... [2023-11-12 02:04:22,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:04:22,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:22,979 INFO L158 Benchmark]: Toolchain (without parser) took 5037.29ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 106.6MB in the beginning and 130.6MB in the end (delta: -24.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:22,980 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 60.7MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:22,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.89ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 93.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:04:22,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.45ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:22,982 INFO L158 Benchmark]: Boogie Preprocessor took 40.81ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 89.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:22,982 INFO L158 Benchmark]: RCFGBuilder took 489.90ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 118.5MB in the end (delta: -29.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-12 02:04:22,983 INFO L158 Benchmark]: TraceAbstraction took 4019.46ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 118.0MB in the beginning and 130.6MB in the end (delta: -12.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:22,984 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 184.5MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:22,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 60.7MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.89ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 93.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.45ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.81ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 89.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.90ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 118.5MB in the end (delta: -29.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4019.46ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 118.0MB in the beginning and 130.6MB in the end (delta: -12.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 184.5MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryArithmeticDOUBLEoperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] float var_1_4 = 9999999.8; [L24] float var_1_5 = 8.6; [L25] unsigned long int var_1_6 = 10000; [L26] double var_1_8 = 64.5; [L27] float var_1_10 = 255.25; [L28] float var_1_11 = 7.5; [L29] float var_1_12 = 0.0; [L30] float var_1_13 = 64.8; [L31] double var_1_14 = 127.75; [L32] signed char var_1_15 = 8; [L33] signed char var_1_16 = 32; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] double var_1_19 = 2.25; [L37] unsigned char var_1_20 = 0; [L38] unsigned short int var_1_21 = 256; [L39] unsigned long int last_1_var_1_6 = 10000; VAL [isInitial=0, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L121] isInitial = 1 [L122] FCALL initially() [L123] COND TRUE 1 [L124] CALL updateLastVariables() [L114] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L124] RET updateLastVariables() [L125] CALL updateVariables() [L90] var_1_4 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L91] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L92] var_1_5 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L93] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L94] var_1_8 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L95] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L97] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L98] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L98] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L99] var_1_12 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L100] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L101] var_1_13 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L102] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L103] var_1_15 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L104] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L105] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L105] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L106] var_1_16 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L107] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L108] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L108] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L109] var_1_18 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L111] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L111] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L125] RET updateVariables() [L126] CALL step() [L43] COND TRUE (var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6 [L44] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L46] COND FALSE !((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) [L49] var_1_10 = 4.2f VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L51] var_1_20 = var_1_16 [L52] var_1_21 = var_1_16 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L53] COND TRUE var_1_21 <= (var_1_16 * var_1_20) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L54] COND TRUE (var_1_5 + var_1_14) <= 127.025f [L55] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L62] unsigned char stepLocal_0 = var_1_20 != var_1_20; VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L63] COND FALSE !(\read(var_1_17)) [L74] var_1_6 = var_1_20 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L76] COND TRUE var_1_6 <= var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L77] COND FALSE !(var_1_6 > var_1_6) [L80] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L85] COND TRUE var_1_1 < var_1_11 [L86] var_1_19 = (var_1_13 - 256.4) VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L126] RET step() [L127] CALL, EXPR property() [L117-L118] return ((((((((var_1_6 <= var_1_6) ? ((var_1_6 > var_1_6) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_17 ? ((((((var_1_14) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_14) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_20 != var_1_20) || var_1_17) ? (var_1_6 == ((unsigned long int) var_1_20)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_20))) : (var_1_6 == ((unsigned long int) var_1_20)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_21 <= (var_1_16 * var_1_20)) ? (((var_1_5 + var_1_14) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_1 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 224 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 135 mSDtfsCounter, 224 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 367 NumberOfCodeBlocks, 367 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 4 NumberOfNonLiveVariables, 476 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 918/936 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 02:04:23,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 38ff29ca823d3fabba03e4fbd7eddc473b350ca4f58c43465ea4147ad1b90a75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:25,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:25,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:04:25,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:25,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:25,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:25,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:25,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:25,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:25,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:25,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:25,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:25,891 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:25,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:25,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:25,893 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:25,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:25,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:25,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:25,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:25,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:25,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:04:25,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:04:25,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:04:25,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:25,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:25,898 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:25,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:25,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:25,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:25,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:25,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:25,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:25,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:25,902 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:04:25,902 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:04:25,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:25,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:25,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:25,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:25,903 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:04:25,904 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:25,904 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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38ff29ca823d3fabba03e4fbd7eddc473b350ca4f58c43465ea4147ad1b90a75 [2023-11-12 02:04:26,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:26,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:26,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:26,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:26,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:26,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i [2023-11-12 02:04:29,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:29,928 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:29,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i [2023-11-12 02:04:29,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data/883449ee8/54cfbca64ba249ac895b7866d0e1cfc3/FLAG6f4db1d52 [2023-11-12 02:04:29,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/data/883449ee8/54cfbca64ba249ac895b7866d0e1cfc3 [2023-11-12 02:04:29,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:29,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:29,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:29,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:29,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:29,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:29" (1/1) ... [2023-11-12 02:04:29,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed3f9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:29, skipping insertion in model container [2023-11-12 02:04:29,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:29" (1/1) ... [2023-11-12 02:04:30,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:30,197 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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i[912,925] [2023-11-12 02:04:30,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:30,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:30,307 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_b5430c0b-d2c0-47d9-b25f-32b22e508a40/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-2.i[912,925] [2023-11-12 02:04:30,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:30,363 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:30,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30 WrapperNode [2023-11-12 02:04:30,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:30,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:30,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:30,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:30,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,440 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-12 02:04:30,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:30,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:30,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:30,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:30,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:30,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:30,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:30,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:30,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:30,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:30,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:04:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:30,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:30,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:41,554 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:41,562 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:41,563 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:41,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:41 BoogieIcfgContainer [2023-11-12 02:04:41,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:41,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:41,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:41,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:41,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:29" (1/3) ... [2023-11-12 02:04:41,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9615c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:41, skipping insertion in model container [2023-11-12 02:04:41,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30" (2/3) ... [2023-11-12 02:04:41,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9615c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:41, skipping insertion in model container [2023-11-12 02:04:41,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:41" (3/3) ... [2023-11-12 02:04:41,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-2.i [2023-11-12 02:04:41,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:41,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:41,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:41,659 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;@5d21d171, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:41,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:04:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-12 02:04:41,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:41,680 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:41,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:41,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:41,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2140347050, now seen corresponding path program 1 times [2023-11-12 02:04:41,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:41,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895948793] [2023-11-12 02:04:41,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:41,704 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 02:04:41,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:41,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:41,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:42,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:04:42,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-12 02:04:42,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:42,987 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:42,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895948793] [2023-11-12 02:04:42,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895948793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:42,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:42,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:42,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63558441] [2023-11-12 02:04:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:42,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:04:43,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:43,047 INFO L87 Difference]: Start difference. First operand has 53 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 02:04:43,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:43,078 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2023-11-12 02:04:43,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:43,081 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 91 [2023-11-12 02:04:43,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:43,090 INFO L225 Difference]: With dead ends: 99 [2023-11-12 02:04:43,090 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 02:04:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 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 02:04:43,098 INFO L413 NwaCegarLoop]: 69 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, 69 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 02:04:43,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:43,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 02:04:43,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 02:04:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:04:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2023-11-12 02:04:43,149 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 91 [2023-11-12 02:04:43,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:43,150 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2023-11-12 02:04:43,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 02:04:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-11-12 02:04:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 02:04:43,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:43,156 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:43,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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)] Ended with exit code 0 [2023-11-12 02:04:43,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:43,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:43,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:43,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1331715252, now seen corresponding path program 1 times [2023-11-12 02:04:43,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:43,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336148165] [2023-11-12 02:04:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:43,369 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 02:04:43,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:43,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:44,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:04:44,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-12 02:04:44,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:04:45,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:45,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336148165] [2023-11-12 02:04:45,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336148165] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:04:45,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:04:45,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-12 02:04:45,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281269931] [2023-11-12 02:04:45,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:45,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:04:45,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:04:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:04:45,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:04:45,757 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:04:49,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:04:51,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:04:53,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:04:55,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:04:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:56,295 INFO L93 Difference]: Finished difference Result 125 states and 172 transitions. [2023-11-12 02:04:56,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:04:56,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2023-11-12 02:04:56,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:56,300 INFO L225 Difference]: With dead ends: 125 [2023-11-12 02:04:56,300 INFO L226 Difference]: Without dead ends: 79 [2023-11-12 02:04:56,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:04:56,303 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 129 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 41 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:56,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 160 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 172 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2023-11-12 02:04:56,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-12 02:04:56,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2023-11-12 02:04:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 49 states have internal predecessors, (56), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:04:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2023-11-12 02:04:56,346 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 92 [2023-11-12 02:04:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:56,354 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2023-11-12 02:04:56,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:04:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-11-12 02:04:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 02:04:56,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:56,369 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:56,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:56,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:56,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:56,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:56,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1161227543, now seen corresponding path program 1 times [2023-11-12 02:04:56,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:56,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245428226] [2023-11-12 02:04:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:56,599 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 02:04:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:56,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:56,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5430c0b-d2c0-47d9-b25f-32b22e508a40/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 02:04:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:57,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 02:04:57,708 INFO L285 TraceCheckSpWp]: Computing forward predicates...