./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:35,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:35,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:04:35,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:35,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:35,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:35,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:35,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:35,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:35,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:35,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:35,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:35,246 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:35,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:35,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:35,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:35,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:35,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:35,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:35,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:35,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:35,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:35,252 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:35,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:35,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:35,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:35,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:35,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:35,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:35,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:35,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:35,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:35,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:35,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:04:35,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:35,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:35,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:35,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:35,285 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:35,286 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_6004d435-1489-4b41-a76d-c3b73e5cba8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 [2023-11-12 02:04:35,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:35,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:35,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:35,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:35,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:35,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2023-11-12 02:04:38,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:38,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:38,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2023-11-12 02:04:38,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data/0e06727d3/7ab2dd6839e04ef1a61174662a86ffef/FLAGb9386d507 [2023-11-12 02:04:38,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data/0e06727d3/7ab2dd6839e04ef1a61174662a86ffef [2023-11-12 02:04:38,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:39,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:39,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:39,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:39,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:39,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:38" (1/1) ... [2023-11-12 02:04:39,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d5f637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39, skipping insertion in model container [2023-11-12 02:04:39,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:38" (1/1) ... [2023-11-12 02:04:39,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:39,232 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_6004d435-1489-4b41-a76d-c3b73e5cba8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2023-11-12 02:04:39,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:39,315 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:39,328 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_6004d435-1489-4b41-a76d-c3b73e5cba8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2023-11-12 02:04:39,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:39,423 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:39,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39 WrapperNode [2023-11-12 02:04:39,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:39,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:39,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:39,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:39,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,511 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-12 02:04:39,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:39,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:39,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:39,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:39,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:39,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:39,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:39,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:39,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (1/1) ... [2023-11-12 02:04:39,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:39,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:39,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:39,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:39,738 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:39,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:40,136 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:40,144 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:40,144 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:40,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:40 BoogieIcfgContainer [2023-11-12 02:04:40,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:40,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:40,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:40,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:40,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:38" (1/3) ... [2023-11-12 02:04:40,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:40, skipping insertion in model container [2023-11-12 02:04:40,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:39" (2/3) ... [2023-11-12 02:04:40,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:40, skipping insertion in model container [2023-11-12 02:04:40,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:40" (3/3) ... [2023-11-12 02:04:40,159 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-85.i [2023-11-12 02:04:40,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:40,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:40,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:40,254 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;@73441178, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:40,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:04:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-12 02:04:40,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:40,276 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:40,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:40,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:40,282 INFO L85 PathProgramCache]: Analyzing trace with hash -633853934, now seen corresponding path program 1 times [2023-11-12 02:04:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884440479] [2023-11-12 02:04:40,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:40,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:40,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:40,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884440479] [2023-11-12 02:04:40,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:04:40,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568347993] [2023-11-12 02:04:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:40,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:40,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:40,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:40,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:04:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:40,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:04:40,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-12 02:04:41,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:41,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568347993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:41,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:41,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:41,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991884154] [2023-11-12 02:04:41,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:41,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:41,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:41,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:41,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:41,111 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:04:41,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:41,146 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2023-11-12 02:04:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:41,148 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2023-11-12 02:04:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:41,156 INFO L225 Difference]: With dead ends: 121 [2023-11-12 02:04:41,156 INFO L226 Difference]: Without dead ends: 59 [2023-11-12 02:04:41,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 02:04:41,163 INFO L413 NwaCegarLoop]: 86 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, 86 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 02:04:41,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:41,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-12 02:04:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-12 02:04:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:04:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2023-11-12 02:04:41,216 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 140 [2023-11-12 02:04:41,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:41,217 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2023-11-12 02:04:41,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:04:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-11-12 02:04:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-12 02:04:41,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:41,222 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:41,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:04:41,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:04:41,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:41,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:41,426 INFO L85 PathProgramCache]: Analyzing trace with hash -46111074, now seen corresponding path program 1 times [2023-11-12 02:04:41,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:41,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001288531] [2023-11-12 02:04:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:41,513 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:04:41,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507372270] [2023-11-12 02:04:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:41,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:41,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:41,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:41,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:04:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:41,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 02:04:41,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-12 02:04:42,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2023-11-12 02:04:42,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:42,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001288531] [2023-11-12 02:04:42,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:04:42,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507372270] [2023-11-12 02:04:42,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507372270] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:04:42,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:04:42,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2023-11-12 02:04:42,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489495699] [2023-11-12 02:04:42,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:42,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 02:04:42,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 02:04:42,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:04:42,946 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-12 02:04:44,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:44,152 INFO L93 Difference]: Finished difference Result 200 states and 278 transitions. [2023-11-12 02:04:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-12 02:04:44,153 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 140 [2023-11-12 02:04:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:44,157 INFO L225 Difference]: With dead ends: 200 [2023-11-12 02:04:44,157 INFO L226 Difference]: Without dead ends: 144 [2023-11-12 02:04:44,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 263 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2023-11-12 02:04:44,161 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 211 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:44,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 327 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:04:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-12 02:04:44,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 128. [2023-11-12 02:04:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 77 states have internal predecessors, (86), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-12 02:04:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2023-11-12 02:04:44,209 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 140 [2023-11-12 02:04:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:44,211 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2023-11-12 02:04:44,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 16 states have internal predecessors, (58), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-12 02:04:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2023-11-12 02:04:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-12 02:04:44,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:44,224 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:44,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:44,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:44,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:44,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:44,433 INFO L85 PathProgramCache]: Analyzing trace with hash -44264032, now seen corresponding path program 1 times [2023-11-12 02:04:44,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:44,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594232651] [2023-11-12 02:04:44,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:44,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:44,508 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:04:44,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1426373226] [2023-11-12 02:04:44,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:44,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:44,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:44,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:04:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:45,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:04:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:45,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:04:45,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:04:45,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:04:45,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:45,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:45,407 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:04:45,412 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:45,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:45 BoogieIcfgContainer [2023-11-12 02:04:45,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:45,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:45,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:45,526 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:45,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:40" (3/4) ... [2023-11-12 02:04:45,529 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:04:45,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:45,531 INFO L158 Benchmark]: Toolchain (without parser) took 6530.95ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 132.2MB in the beginning and 82.0MB in the end (delta: 50.3MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2023-11-12 02:04:45,532 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:45,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.01ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 117.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:45,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.65ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 114.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:45,533 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 163.6MB. Free memory was 114.1MB in the beginning and 112.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:45,534 INFO L158 Benchmark]: RCFGBuilder took 585.78ms. Allocated memory is still 163.6MB. Free memory was 112.6MB in the beginning and 93.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:04:45,534 INFO L158 Benchmark]: TraceAbstraction took 5374.57ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 92.5MB in the beginning and 82.0MB in the end (delta: 10.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-11-12 02:04:45,535 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 197.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:45,537 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.01ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 117.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.65ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 114.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 163.6MB. Free memory was 114.1MB in the beginning and 112.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.78ms. Allocated memory is still 163.6MB. Free memory was 112.6MB in the beginning and 93.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5374.57ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 92.5MB in the beginning and 82.0MB in the end (delta: 10.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 197.1MB. Free memory is still 82.0MB. 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 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 123. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned short int var_1_2 = 2; [L24] unsigned short int var_1_3 = 8; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 0.6; [L29] unsigned long int var_1_8 = 32; [L30] unsigned long int var_1_9 = 32; [L31] float var_1_10 = 49.359; [L32] float var_1_11 = 5.5; [L33] unsigned long int var_1_12 = 128; [L34] unsigned char var_1_13 = 16; [L35] unsigned char var_1_14 = 0; [L36] unsigned long int var_1_15 = 8; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] double var_1_18 = 1.8; [L40] double var_1_19 = 4.5; [L41] double var_1_20 = 15.5; VAL [isInitial=0, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_2=2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L127] isInitial = 1 [L128] FCALL initially() [L129] COND TRUE 1 [L130] FCALL updateLastVariables() [L131] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] var_1_3 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L90] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L90] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L93] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L93] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L94] var_1_6 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L95] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L96] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L96] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L97] var_1_8 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L99] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L99] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L100] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=32] [L101] var_1_9 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L103] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L104] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L105] var_1_10 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L106] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L108] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L109] var_1_14 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L110] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L111] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L111] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L112] var_1_17 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L113] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L114] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L116] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=31/2, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L131] RET updateVariables() [L132] CALL step() [L45] unsigned short int stepLocal_1 = var_1_2; [L46] signed long int stepLocal_0 = -10000000; VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L47] COND FALSE !(stepLocal_1 < ((- var_1_3) * 64)) VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L58] unsigned long int stepLocal_2 = var_1_3 + var_1_1; VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L59] COND TRUE var_1_2 <= stepLocal_2 [L60] var_1_5 = ((var_1_3 == var_1_2) && var_1_6) VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=4294967295, var_1_9=1] [L64] COND FALSE !((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) [L69] var_1_7 = var_1_11 VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, var_1_10=2, var_1_11=3, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L71] COND TRUE var_1_7 <= (- (32.8f + var_1_10)) [L72] var_1_12 = var_1_3 VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L74] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L75] COND TRUE \read(var_1_4) [L76] var_1_15 = ((((var_1_3) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_3) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))) VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L78] var_1_16 = (var_1_6 && var_1_17) [L79] unsigned char stepLocal_3 = var_1_17; VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, stepLocal_3=0, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L80] COND FALSE !(var_1_5 || stepLocal_3) VAL [isInitial=1, stepLocal_0=-10000000, stepLocal_1=1508, stepLocal_2=1508, stepLocal_3=0, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L132] RET step() [L133] CALL, EXPR property() [L123-L124] return ((((((((var_1_2 < ((- var_1_3) * 64)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : ((-10000000 < var_1_2) ? (var_1_1 == ((unsigned long int) (((((((var_1_3) > (5u)) ? (var_1_3) : (5u))) < 0 ) ? -((((var_1_3) > (5u)) ? (var_1_3) : (5u))) : ((((var_1_3) > (5u)) ? (var_1_3) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((var_1_2 <= (var_1_3 + var_1_1)) ? (var_1_5 == ((unsigned char) ((var_1_3 == var_1_2) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_10) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_10))) ? (var_1_12 == ((unsigned long int) var_1_3)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_4 ? (var_1_15 == ((unsigned long int) ((((var_1_3) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_3) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=3, var_1_12=508, var_1_13=254, var_1_14=254, var_1_15=508, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=4, var_1_1=1000, var_1_20=5, var_1_2=1508, var_1_3=508, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=3, var_1_8=4294967295, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 3, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 413 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 488 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 172 mSDtfsCounter, 488 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=2, InterpolantAutomatonStates: 31, 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, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 1223 SizeOfPredicates, 12 NumberOfNonLiveVariables, 654 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2679/2772 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 02:04:45,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:48,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:48,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:04:48,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:48,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:48,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:48,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:48,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:48,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:48,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:48,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:48,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:48,462 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:48,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:48,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:48,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:48,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:48,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:48,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:48,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:48,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:48,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:04:48,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:04:48,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:04:48,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:48,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:48,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:48,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:48,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:48,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:48,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:48,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:48,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:48,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:48,475 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:04:48,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:04:48,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:48,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:48,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:48,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:48,478 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:04:48,478 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:48,478 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_6004d435-1489-4b41-a76d-c3b73e5cba8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 [2023-11-12 02:04:48,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:48,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:48,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:48,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:48,960 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:48,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2023-11-12 02:04:52,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:52,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:52,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2023-11-12 02:04:52,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data/61cf218ca/48a9ebdbd6f84de0946ba9aa4e937165/FLAGadc70fb34 [2023-11-12 02:04:52,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/data/61cf218ca/48a9ebdbd6f84de0946ba9aa4e937165 [2023-11-12 02:04:52,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:52,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:52,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:52,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:52,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:52,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:52" (1/1) ... [2023-11-12 02:04:52,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45725a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:52, skipping insertion in model container [2023-11-12 02:04:52,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:52" (1/1) ... [2023-11-12 02:04:52,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:52,856 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_6004d435-1489-4b41-a76d-c3b73e5cba8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2023-11-12 02:04:52,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:52,928 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:52,941 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_6004d435-1489-4b41-a76d-c3b73e5cba8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2023-11-12 02:04:52,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:53,053 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:53,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53 WrapperNode [2023-11-12 02:04:53,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:53,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:53,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:53,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:53,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,158 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-12 02:04:53,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:53,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:53,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:53,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:53,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:53,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:53,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:53,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:53,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:53,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:53,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:53,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:04:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:53,420 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:53,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:56,353 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:56,362 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:56,362 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:56,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:56 BoogieIcfgContainer [2023-11-12 02:04:56,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:56,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:56,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:56,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:56,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:52" (1/3) ... [2023-11-12 02:04:56,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3093c693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:56, skipping insertion in model container [2023-11-12 02:04:56,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (2/3) ... [2023-11-12 02:04:56,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3093c693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:56, skipping insertion in model container [2023-11-12 02:04:56,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:56" (3/3) ... [2023-11-12 02:04:56,376 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-85.i [2023-11-12 02:04:56,398 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:56,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:56,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:56,478 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;@396f391f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:56,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:04:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-12 02:04:56,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:56,508 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:56,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:56,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash -633853934, now seen corresponding path program 1 times [2023-11-12 02:04:56,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:56,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136826210] [2023-11-12 02:04:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:56,538 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 02:04:56,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:56,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:04:56,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:04:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:57,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:04:57,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-12 02:04:57,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:57,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:57,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136826210] [2023-11-12 02:04:57,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136826210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:57,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:57,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:57,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507759771] [2023-11-12 02:04:57,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:57,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:57,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:04:57,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:57,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:57,231 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:04:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:57,284 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2023-11-12 02:04:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:57,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2023-11-12 02:04:57,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:57,295 INFO L225 Difference]: With dead ends: 121 [2023-11-12 02:04:57,295 INFO L226 Difference]: Without dead ends: 59 [2023-11-12 02:04:57,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 02:04:57,303 INFO L413 NwaCegarLoop]: 86 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, 86 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 02:04:57,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:57,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-12 02:04:57,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-12 02:04:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:04:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2023-11-12 02:04:57,364 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 140 [2023-11-12 02:04:57,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:57,365 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2023-11-12 02:04:57,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:04:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-11-12 02:04:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-12 02:04:57,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:57,369 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:57,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:57,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:04:57,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:57,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash -46111074, now seen corresponding path program 1 times [2023-11-12 02:04:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:57,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821877226] [2023-11-12 02:04:57,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:57,579 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 02:04:57,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:57,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:04:57,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:04:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:58,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:04:58,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-11-12 02:04:59,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:05:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2023-11-12 02:05:00,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:05:00,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821877226] [2023-11-12 02:05:00,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821877226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:05:00,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:05:00,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2023-11-12 02:05:00,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018249436] [2023-11-12 02:05:00,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:05:00,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 02:05:00,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:05:00,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 02:05:00,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:05:00,028 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-12 02:05:02,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:05:03,717 INFO L93 Difference]: Finished difference Result 170 states and 238 transitions. [2023-11-12 02:05:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-12 02:05:03,721 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 140 [2023-11-12 02:05:03,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:05:03,724 INFO L225 Difference]: With dead ends: 170 [2023-11-12 02:05:03,725 INFO L226 Difference]: Without dead ends: 114 [2023-11-12 02:05:03,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 265 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=240, Invalid=572, Unknown=0, NotChecked=0, Total=812 [2023-11-12 02:05:03,728 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 142 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:05:03,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 285 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-12 02:05:03,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-12 02:05:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2023-11-12 02:05:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.105263157894737) internal successors, (63), 58 states have internal predecessors, (63), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:05:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2023-11-12 02:05:03,761 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 140 [2023-11-12 02:05:03,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:05:03,763 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2023-11-12 02:05:03,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-12 02:05:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2023-11-12 02:05:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-12 02:05:03,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:03,771 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:05:03,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:05:03,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:05:03,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:03,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash -44264032, now seen corresponding path program 1 times [2023-11-12 02:05:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:05:03,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117186612] [2023-11-12 02:05:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:03,999 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 02:05:03,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:05:04,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:05:04,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6004d435-1489-4b41-a76d-c3b73e5cba8f/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 02:05:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:04,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 02:05:04,525 INFO L285 TraceCheckSpWp]: Computing forward predicates...