./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu --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 06310ed96ff90cd41f7e06cc140b3ae37ff2aa2ee60815f1e01ceec8c6bb9e8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:12,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:12,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:47:12,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:12,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:12,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:12,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:12,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:12,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:12,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:12,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:12,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:12,680 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:12,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:12,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:12,683 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:12,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:12,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:12,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:12,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:12,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:12,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:12,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:12,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:12,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:12,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:12,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:12,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:12,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:12,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:12,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:12,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:12,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:12,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:12,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:12,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:12,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:12,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:12,693 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:12,694 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06310ed96ff90cd41f7e06cc140b3ae37ff2aa2ee60815f1e01ceec8c6bb9e8b [2023-11-19 07:47:12,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:13,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:13,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:13,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:13,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:13,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i [2023-11-19 07:47:16,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:16,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:16,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i [2023-11-19 07:47:16,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data/7964303d9/b415a2e10d6b441d916f82d3a63ac1a5/FLAG17b687f50 [2023-11-19 07:47:16,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data/7964303d9/b415a2e10d6b441d916f82d3a63ac1a5 [2023-11-19 07:47:16,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:16,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:16,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:16,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:16,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:16,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef049be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16, skipping insertion in model container [2023-11-19 07:47:16,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:16,788 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i[913,926] [2023-11-19 07:47:16,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:16,903 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:16,913 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i[913,926] [2023-11-19 07:47:16,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:16,967 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:16,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16 WrapperNode [2023-11-19 07:47:16,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:16,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:16,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:16,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:16,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,043 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-19 07:47:17,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:17,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:17,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:17,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:17,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:17,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:17,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:17,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:17,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:17,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:17,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:17,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:17,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:17,293 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:17,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:17,709 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:17,726 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:17,726 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:17,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17 BoogieIcfgContainer [2023-11-19 07:47:17,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:17,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:17,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:17,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:17,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:16" (1/3) ... [2023-11-19 07:47:17,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d2cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:17, skipping insertion in model container [2023-11-19 07:47:17,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (2/3) ... [2023-11-19 07:47:17,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d2cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:17, skipping insertion in model container [2023-11-19 07:47:17,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17" (3/3) ... [2023-11-19 07:47:17,768 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-71.i [2023-11-19 07:47:17,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:17,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:17,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:17,899 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;@8596341, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:17,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:17,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:17,933 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:17,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:17,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:17,940 INFO L85 PathProgramCache]: Analyzing trace with hash -793701628, now seen corresponding path program 1 times [2023-11-19 07:47:17,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:17,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952933319] [2023-11-19 07:47:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:17,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:18,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952933319] [2023-11-19 07:47:18,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:47:18,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756299287] [2023-11-19 07:47:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:18,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:18,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:47:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:18,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-19 07:47:18,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:18,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756299287] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:18,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:18,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:18,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434233993] [2023-11-19 07:47:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:18,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:18,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:18,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:18,561 INFO L87 Difference]: Start difference. First operand has 62 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:18,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:18,609 INFO L93 Difference]: Finished difference Result 117 states and 201 transitions. [2023-11-19 07:47:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:18,615 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2023-11-19 07:47:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:18,628 INFO L225 Difference]: With dead ends: 117 [2023-11-19 07:47:18,628 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:47:18,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:18,637 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 [2023-11-19 07:47:18,638 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] [2023-11-19 07:47:18,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:47:18,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:47:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2023-11-19 07:47:18,686 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 133 [2023-11-19 07:47:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:18,687 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2023-11-19 07:47:18,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-19 07:47:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:18,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:18,691 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:18,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:18,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:18,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:18,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:18,894 INFO L85 PathProgramCache]: Analyzing trace with hash -720113274, now seen corresponding path program 1 times [2023-11-19 07:47:18,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:18,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951077940] [2023-11-19 07:47:18,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:18,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:19,003 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:19,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74189382] [2023-11-19 07:47:19,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:19,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:19,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:19,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:47:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:19,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:47:19,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 42 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2023-11-19 07:47:21,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-19 07:47:22,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:22,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951077940] [2023-11-19 07:47:22,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:22,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74189382] [2023-11-19 07:47:22,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74189382] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:22,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:47:22,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-11-19 07:47:22,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146752496] [2023-11-19 07:47:22,338 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:22,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 07:47:22,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:22,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 07:47:22,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:47:22,344 INFO L87 Difference]: Start difference. First operand 58 states and 86 transitions. Second operand has 16 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 6 states have call successors, (42), 4 states have call predecessors, (42), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) [2023-11-19 07:47:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:23,985 INFO L93 Difference]: Finished difference Result 193 states and 285 transitions. [2023-11-19 07:47:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:47:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 6 states have call successors, (42), 4 states have call predecessors, (42), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) Word has length 133 [2023-11-19 07:47:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:23,990 INFO L225 Difference]: With dead ends: 193 [2023-11-19 07:47:23,990 INFO L226 Difference]: Without dead ends: 138 [2023-11-19 07:47:23,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2023-11-19 07:47:23,994 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 133 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:23,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 363 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 07:47:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-19 07:47:24,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 102. [2023-11-19 07:47:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 56 states have internal predecessors, (66), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-19 07:47:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 150 transitions. [2023-11-19 07:47:24,054 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 150 transitions. Word has length 133 [2023-11-19 07:47:24,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:24,055 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 150 transitions. [2023-11-19 07:47:24,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 6 states have call successors, (42), 4 states have call predecessors, (42), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42) [2023-11-19 07:47:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2023-11-19 07:47:24,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:24,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:24,058 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:24,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:24,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 07:47:24,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:24,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:24,281 INFO L85 PathProgramCache]: Analyzing trace with hash -19048696, now seen corresponding path program 1 times [2023-11-19 07:47:24,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:24,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638783402] [2023-11-19 07:47:24,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:24,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:24,361 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:24,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213981341] [2023-11-19 07:47:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:24,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:24,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:24,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:47:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:24,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:24,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:24,788 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:24,789 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:47:24,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:25,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:25,013 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:47:25,017 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:25,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:25 BoogieIcfgContainer [2023-11-19 07:47:25,171 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:25,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:25,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:25,173 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:25,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17" (3/4) ... [2023-11-19 07:47:25,177 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:25,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:25,189 INFO L158 Benchmark]: Toolchain (without parser) took 8662.26ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 80.9MB in the beginning and 106.0MB in the end (delta: -25.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:25,190 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:25,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.13ms. Allocated memory is still 121.6MB. Free memory was 80.9MB in the beginning and 66.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:25,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.63ms. Allocated memory is still 121.6MB. Free memory was 66.8MB in the beginning and 64.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:25,192 INFO L158 Benchmark]: Boogie Preprocessor took 70.66ms. Allocated memory is still 121.6MB. Free memory was 64.2MB in the beginning and 62.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:25,193 INFO L158 Benchmark]: RCFGBuilder took 616.49ms. Allocated memory is still 121.6MB. Free memory was 62.1MB in the beginning and 43.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:47:25,195 INFO L158 Benchmark]: TraceAbstraction took 7434.92ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 43.1MB in the beginning and 106.0MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:25,197 INFO L158 Benchmark]: Witness Printer took 6.10ms. Allocated memory is still 180.4MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:25,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.13ms. Allocated memory is still 121.6MB. Free memory was 80.9MB in the beginning and 66.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.63ms. Allocated memory is still 121.6MB. Free memory was 66.8MB in the beginning and 64.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.66ms. Allocated memory is still 121.6MB. Free memory was 64.2MB in the beginning and 62.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.49ms. Allocated memory is still 121.6MB. Free memory was 62.1MB in the beginning and 43.7MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7434.92ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 43.1MB in the beginning and 106.0MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.10ms. Allocated memory is still 180.4MB. Free memory is still 106.0MB. 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 131. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -1; [L26] signed char var_1_5 = 4; [L27] unsigned short int var_1_9 = 35831; [L28] float var_1_10 = 1.875; [L29] float var_1_11 = 5.8; [L30] float var_1_12 = 2.375; [L31] float var_1_13 = 999999999999.75; [L32] signed short int var_1_14 = 32; [L33] signed short int var_1_15 = 25; [L34] signed short int var_1_16 = 23809; [L35] signed short int var_1_17 = 2; [L36] float var_1_18 = 499.25; [L37] signed long int var_1_19 = -4; [L38] unsigned short int var_1_20 = 10; [L39] unsigned short int var_1_21 = 16; [L40] signed char var_1_22 = -10; [L41] signed char var_1_23 = 25; [L42] float last_1_var_1_12 = 2.375; [L43] signed short int last_1_var_1_14 = 32; [L44] unsigned short int last_1_var_1_20 = 10; [L45] unsigned short int last_1_var_1_21 = 16; VAL [isInitial=0, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=0, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] CALL updateLastVariables() [L125] last_1_var_1_12 = var_1_12 [L126] last_1_var_1_14 = var_1_14 [L127] last_1_var_1_20 = var_1_20 [L128] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=0, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L138] RET updateLastVariables() [L139] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L92] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L93] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L93] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=1, var_1_4=-1, var_1_5=4, var_1_9=35831] [L94] var_1_3 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L95] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L96] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L96] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L97] var_1_4 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L98] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L99] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L99] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=4, var_1_9=35831] [L100] var_1_5 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=35831] [L101] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=35831] [L102] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=35831] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=35831] [L102] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=35831] [L103] var_1_9 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L104] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L105] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L105] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=29/5, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L106] var_1_11 = __VERIFIER_nondet_float() [L107] 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, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L107] 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, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3999999999999/4, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L108] var_1_13 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L109] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L110] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L110] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=25, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L111] var_1_15 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L112] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L113] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L113] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=23809, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L114] var_1_16 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L115] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L116] CALL assume_abort_if_not(var_1_16 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L116] RET assume_abort_if_not(var_1_16 <= 32766) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=2, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L117] var_1_17 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L118] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L119] CALL assume_abort_if_not(var_1_17 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L119] RET assume_abort_if_not(var_1_17 <= 16383) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=25, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L120] var_1_23 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L121] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L122] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L122] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L139] RET updateVariables() [L140] CALL step() [L49] signed long int stepLocal_0 = var_1_4 - var_1_5; VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L50] COND TRUE \read(var_1_2) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L51] COND FALSE !(stepLocal_0 > ((last_1_var_1_14 + last_1_var_1_20) * last_1_var_1_21)) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L61] unsigned short int stepLocal_2 = var_1_1; VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, stepLocal_2=32, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=32, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L62] COND FALSE !(! (var_1_5 < var_1_1)) [L69] var_1_14 = ((((((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) < ((var_1_15 - (var_1_16 - var_1_17)))) ? (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) : ((var_1_15 - (var_1_16 - var_1_17))))) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, stepLocal_2=32, var_1_10=15/8, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L71] var_1_10 = var_1_11 [L72] signed char stepLocal_1 = var_1_4; VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, stepLocal_1=-1, stepLocal_2=32, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L73] COND FALSE !(last_1_var_1_12 >= ((var_1_11 / var_1_13) / 31.9f)) VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, stepLocal_1=-1, stepLocal_2=32, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=1997/4, var_1_19=-4, var_1_1=32, var_1_20=10, var_1_21=16, var_1_22=-10, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L80] var_1_18 = ((((((((255.5f) > (var_1_11)) ? (255.5f) : (var_1_11)))) > (5.5f)) ? (((((255.5f) > (var_1_11)) ? (255.5f) : (var_1_11)))) : (5.5f))) [L81] var_1_20 = var_1_15 [L82] var_1_21 = var_1_5 [L83] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, stepLocal_1=-1, stepLocal_2=32, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=511/2, var_1_19=-4, var_1_1=32, var_1_20=0, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L84] COND FALSE !(\read(var_1_3)) [L87] var_1_19 = var_1_5 VAL [isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, stepLocal_0=-1, stepLocal_1=-1, stepLocal_2=32, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=511/2, var_1_19=0, var_1_1=32, var_1_20=0, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((((var_1_2 ? (((var_1_4 - var_1_5) > ((last_1_var_1_14 + last_1_var_1_20) * last_1_var_1_21)) ? (var_1_1 == ((unsigned short int) (var_1_9 - var_1_5))) : 1) : (var_1_3 ? (var_1_1 == ((unsigned short int) 32)) : (var_1_1 == ((unsigned short int) var_1_5)))) && (var_1_10 == ((float) var_1_11))) && ((last_1_var_1_12 >= ((var_1_11 / var_1_13) / 31.9f)) ? ((var_1_14 > var_1_4) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_11))) : 1)) && ((! (var_1_5 < var_1_1)) ? ((last_1_var_1_14 >= var_1_1) ? (var_1_14 == ((signed short int) (((((128) < (((((2) < (var_1_4)) ? (2) : (var_1_4))))) ? (128) : (((((2) < (var_1_4)) ? (2) : (var_1_4)))))) + var_1_5))) : (var_1_14 == ((signed short int) ((var_1_5 - var_1_15) + var_1_4)))) : (var_1_14 == ((signed short int) ((((((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) < ((var_1_15 - (var_1_16 - var_1_17)))) ? (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) : ((var_1_15 - (var_1_16 - var_1_17))))))))) && (var_1_18 == ((float) ((((((((255.5f) > (var_1_11)) ? (255.5f) : (var_1_11)))) > (5.5f)) ? (((((255.5f) > (var_1_11)) ? (255.5f) : (var_1_11)))) : (5.5f)))))) && (var_1_3 ? (var_1_19 == ((signed long int) ((((var_1_17) > ((((((var_1_5) < (var_1_9)) ? (var_1_5) : (var_1_9))) + ((((var_1_16) > (var_1_21)) ? (var_1_16) : (var_1_21)))))) ? (var_1_17) : ((((((var_1_5) < (var_1_9)) ? (var_1_5) : (var_1_9))) + ((((var_1_16) > (var_1_21)) ? (var_1_16) : (var_1_21))))))))) : (var_1_19 == ((signed long int) var_1_5)))) && (var_1_20 == ((unsigned short int) var_1_15))) && (var_1_21 == ((unsigned short int) var_1_5))) && (var_1_22 == ((signed char) var_1_23)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=511/2, var_1_19=0, var_1_1=32, var_1_20=0, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=511/2, var_1_19=0, var_1_1=32, var_1_20=0, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=19/8, last_1_var_1_14=32, last_1_var_1_20=10, last_1_var_1_21=16, var_1_10=2, var_1_11=2, var_1_12=19/8, var_1_13=3, var_1_14=0, var_1_15=0, var_1_16=16383, var_1_17=16383, var_1_18=511/2, var_1_19=0, var_1_1=32, var_1_20=0, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_2=1, var_1_3=0, var_1_4=-1, var_1_5=0, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 449 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 732 IncrementalHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 135 mSDtfsCounter, 732 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 396 ConstructedInterpolants, 3 QuantifiedInterpolants, 2733 SizeOfPredicates, 11 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2436/2520 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 [2023-11-19 07:47:25,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu --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 06310ed96ff90cd41f7e06cc140b3ae37ff2aa2ee60815f1e01ceec8c6bb9e8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:28,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:28,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:47:28,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:28,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:28,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:28,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:28,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:28,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:28,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:28,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:28,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:28,380 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:28,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:28,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:28,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:28,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:28,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:28,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:28,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:28,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:28,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:28,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:28,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:28,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:28,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:28,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:28,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:28,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:28,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:28,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:28,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:28,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:28,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:28,394 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:28,394 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:28,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:28,395 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:28,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:28,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:28,396 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:28,397 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:28,397 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06310ed96ff90cd41f7e06cc140b3ae37ff2aa2ee60815f1e01ceec8c6bb9e8b [2023-11-19 07:47:28,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:28,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:28,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:28,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:28,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:28,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i [2023-11-19 07:47:32,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:32,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:32,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i [2023-11-19 07:47:32,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data/8e3f066a7/eb994035a3b349bcb28529d6348eb316/FLAGf4fefd27c [2023-11-19 07:47:33,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/data/8e3f066a7/eb994035a3b349bcb28529d6348eb316 [2023-11-19 07:47:33,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:33,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:33,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:33,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:33,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:33,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba1dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33, skipping insertion in model container [2023-11-19 07:47:33,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:33,320 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i[913,926] [2023-11-19 07:47:33,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:33,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:33,508 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_b8e11c93-d74d-442d-87b3-ebda1fe9314a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-71.i[913,926] [2023-11-19 07:47:33,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:33,625 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:33,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33 WrapperNode [2023-11-19 07:47:33,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:33,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:33,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:33,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:33,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,720 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-19 07:47:33,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:33,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:33,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:33,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:33,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:33,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:33,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:33,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:33,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (1/1) ... [2023-11-19 07:47:33,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:33,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:33,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:33,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:34,062 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:34,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:40,749 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:40,771 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:40,772 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:40,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:40 BoogieIcfgContainer [2023-11-19 07:47:40,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:40,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:40,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:40,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:40,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:33" (1/3) ... [2023-11-19 07:47:40,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba401e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:40, skipping insertion in model container [2023-11-19 07:47:40,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:33" (2/3) ... [2023-11-19 07:47:40,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba401e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:40, skipping insertion in model container [2023-11-19 07:47:40,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:40" (3/3) ... [2023-11-19 07:47:40,798 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-71.i [2023-11-19 07:47:40,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:40,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:40,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:40,889 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;@619e133f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:40,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:40,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:40,912 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:40,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:40,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:40,919 INFO L85 PathProgramCache]: Analyzing trace with hash -793701628, now seen corresponding path program 1 times [2023-11-19 07:47:40,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:40,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731277424] [2023-11-19 07:47:40,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:40,933 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 [2023-11-19 07:47:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:40,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:40,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:41,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:41,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-19 07:47:41,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:41,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:41,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731277424] [2023-11-19 07:47:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731277424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:41,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:41,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:41,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522118798] [2023-11-19 07:47:41,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:41,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:41,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:41,711 INFO L87 Difference]: Start difference. First operand has 62 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:41,745 INFO L93 Difference]: Finished difference Result 117 states and 201 transitions. [2023-11-19 07:47:41,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:41,747 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2023-11-19 07:47:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:41,756 INFO L225 Difference]: With dead ends: 117 [2023-11-19 07:47:41,757 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:47:41,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:41,765 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 [2023-11-19 07:47:41,766 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] [2023-11-19 07:47:41,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:47:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 07:47:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2023-11-19 07:47:41,819 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 133 [2023-11-19 07:47:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:41,819 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2023-11-19 07:47:41,820 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-19 07:47:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:41,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:41,825 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:41,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:42,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:42,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:42,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:42,026 INFO L85 PathProgramCache]: Analyzing trace with hash -720113274, now seen corresponding path program 1 times [2023-11-19 07:47:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:42,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171760663] [2023-11-19 07:47:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:42,028 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 [2023-11-19 07:47:42,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:42,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:42,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:42,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:47:42,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 07:47:46,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:46,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:46,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171760663] [2023-11-19 07:47:46,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171760663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:46,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:46,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102270196] [2023-11-19 07:47:46,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:46,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:46,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:46,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:46,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:46,867 INFO L87 Difference]: Start difference. First operand 58 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-19 07:47:50,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 07:47:53,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:53,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:53,354 INFO L93 Difference]: Finished difference Result 169 states and 253 transitions. [2023-11-19 07:47:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:53,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2023-11-19 07:47:53,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:53,400 INFO L225 Difference]: With dead ends: 169 [2023-11-19 07:47:53,401 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 07:47:53,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:47:53,404 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 48 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 43 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:53,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 268 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 68 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-11-19 07:47:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 07:47:53,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 98. [2023-11-19 07:47:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 53 states have internal predecessors, (63), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-19 07:47:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 147 transitions. [2023-11-19 07:47:53,442 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 147 transitions. Word has length 133 [2023-11-19 07:47:53,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:53,443 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 147 transitions. [2023-11-19 07:47:53,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-19 07:47:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2023-11-19 07:47:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:53,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:53,447 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:53,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:53,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:53,659 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:53,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:53,660 INFO L85 PathProgramCache]: Analyzing trace with hash -19048696, now seen corresponding path program 1 times [2023-11-19 07:47:53,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:53,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485189904] [2023-11-19 07:47:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:53,661 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 [2023-11-19 07:47:53,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:53,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:53,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e11c93-d74d-442d-87b3-ebda1fe9314a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:54,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 07:47:54,203 INFO L285 TraceCheckSpWp]: Computing forward predicates...