./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35524620b4392269b8ac69f6a77765367543a28524c63c5b4259d7a5961c7edf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:19:38,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:38,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:19:38,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:38,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:38,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:38,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:38,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:38,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:19:38,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:19:38,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:38,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:38,265 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:38,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:38,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:19:38,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:19:38,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:19:38,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:19:38,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:38,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:19:38,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:19:38,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:19:38,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:19:38,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:38,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:38,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:38,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:38,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:19:38,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:38,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:38,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:19:38,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:19:38,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:19:38,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:19:38,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:19:38,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:19:38,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:19:38,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:19:38,280 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:19:38,280 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_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35524620b4392269b8ac69f6a77765367543a28524c63c5b4259d7a5961c7edf [2023-11-12 02:19:38,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:38,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:38,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:38,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:38,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:38,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i [2023-11-12 02:19:41,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:42,249 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:42,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i [2023-11-12 02:19:42,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data/3162a9c7e/b0a2ad87695946f4aab271ffdfe97abd/FLAG1dafa7d51 [2023-11-12 02:19:42,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data/3162a9c7e/b0a2ad87695946f4aab271ffdfe97abd [2023-11-12 02:19:42,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:42,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:42,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:42,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:42,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:42,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298e519a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42, skipping insertion in model container [2023-11-12 02:19:42,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:42,565 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_c01bf694-0bc2-466f-9c67-bd8187125cbe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i[919,932] [2023-11-12 02:19:42,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:42,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:42,705 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_c01bf694-0bc2-466f-9c67-bd8187125cbe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i[919,932] [2023-11-12 02:19:42,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:42,766 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:42,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42 WrapperNode [2023-11-12 02:19:42,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:42,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:42,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:42,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:42,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,882 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-12 02:19:42,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:42,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:42,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:42,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:42,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:42,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:42,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:42,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:42,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (1/1) ... [2023-11-12 02:19:42,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:42,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:42,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:43,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:19:43,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:19:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:43,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:43,195 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:43,197 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:43,760 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:43,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:43,768 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:19:43,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:43 BoogieIcfgContainer [2023-11-12 02:19:43,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:43,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:43,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:43,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:43,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:42" (1/3) ... [2023-11-12 02:19:43,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6073a132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:43, skipping insertion in model container [2023-11-12 02:19:43,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:42" (2/3) ... [2023-11-12 02:19:43,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6073a132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:43, skipping insertion in model container [2023-11-12 02:19:43,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:43" (3/3) ... [2023-11-12 02:19:43,784 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i [2023-11-12 02:19:43,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:43,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:19:43,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:43,916 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;@1968bf6b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:43,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:19:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 53 states have internal predecessors, (76), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:19:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:19:43,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:43,984 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:43,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:43,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:43,993 INFO L85 PathProgramCache]: Analyzing trace with hash 369133325, now seen corresponding path program 1 times [2023-11-12 02:19:44,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:44,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120853412] [2023-11-12 02:19:44,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:44,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:44,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120853412] [2023-11-12 02:19:44,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:19:44,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965042982] [2023-11-12 02:19:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:44,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:44,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:44,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:44,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:19:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:44,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:19:44,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2023-11-12 02:19:44,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:19:44,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965042982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:44,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:44,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:19:44,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009612228] [2023-11-12 02:19:44,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:44,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:19:44,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:19:44,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:19:44,683 INFO L87 Difference]: Start difference. First operand has 80 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 53 states have internal predecessors, (76), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:19:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:44,746 INFO L93 Difference]: Finished difference Result 153 states and 271 transitions. [2023-11-12 02:19:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:19:44,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-11-12 02:19:44,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:44,756 INFO L225 Difference]: With dead ends: 153 [2023-11-12 02:19:44,756 INFO L226 Difference]: Without dead ends: 76 [2023-11-12 02:19:44,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:19:44,763 INFO L413 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:44,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:19:44,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-12 02:19:44,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-12 02:19:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:19:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 119 transitions. [2023-11-12 02:19:44,815 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 119 transitions. Word has length 161 [2023-11-12 02:19:44,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:44,816 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 119 transitions. [2023-11-12 02:19:44,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:19:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions. [2023-11-12 02:19:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:19:44,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:44,821 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:44,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:19:45,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:19:45,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:45,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:45,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1376392087, now seen corresponding path program 1 times [2023-11-12 02:19:45,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:45,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49455663] [2023-11-12 02:19:45,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:45,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:19:45,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222281443] [2023-11-12 02:19:45,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:45,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:45,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:45,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:19:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:45,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:19:45,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 02:19:45,417 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:19:45,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:45,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49455663] [2023-11-12 02:19:45,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:19:45,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222281443] [2023-11-12 02:19:45,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222281443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:45,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:45,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:19:45,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991645410] [2023-11-12 02:19:45,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:45,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:19:45,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:45,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:19:45,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:45,427 INFO L87 Difference]: Start difference. First operand 76 states and 119 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 02:19:45,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:45,531 INFO L93 Difference]: Finished difference Result 217 states and 343 transitions. [2023-11-12 02:19:45,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:19:45,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 161 [2023-11-12 02:19:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:45,543 INFO L225 Difference]: With dead ends: 217 [2023-11-12 02:19:45,544 INFO L226 Difference]: Without dead ends: 144 [2023-11-12 02:19:45,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:45,550 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 105 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:45,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 240 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:19:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-12 02:19:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 83. [2023-11-12 02:19:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:19:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 130 transitions. [2023-11-12 02:19:45,581 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 130 transitions. Word has length 161 [2023-11-12 02:19:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:45,585 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 130 transitions. [2023-11-12 02:19:45,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 02:19:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2023-11-12 02:19:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:19:45,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:45,592 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:45,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:45,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:45,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:45,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:45,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1634557525, now seen corresponding path program 1 times [2023-11-12 02:19:45,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:45,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654633568] [2023-11-12 02:19:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:45,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:45,856 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:19:45,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25702509] [2023-11-12 02:19:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:45,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:45,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:19:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:46,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:19:46,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 118 proven. 69 refuted. 0 times theorem prover too weak. 1013 trivial. 0 not checked. [2023-11-12 02:19:46,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:19:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 02:19:46,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654633568] [2023-11-12 02:19:46,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:19:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25702509] [2023-11-12 02:19:46,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25702509] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:19:46,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:19:46,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-12 02:19:46,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435358298] [2023-11-12 02:19:46,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:19:46,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:19:46,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:19:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:19:46,709 INFO L87 Difference]: Start difference. First operand 83 states and 130 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-11-12 02:19:46,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:46,947 INFO L93 Difference]: Finished difference Result 171 states and 264 transitions. [2023-11-12 02:19:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:19:46,948 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 161 [2023-11-12 02:19:46,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:46,953 INFO L225 Difference]: With dead ends: 171 [2023-11-12 02:19:46,953 INFO L226 Difference]: Without dead ends: 91 [2023-11-12 02:19:46,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:19:46,958 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 42 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:46,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 208 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:19:46,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-12 02:19:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2023-11-12 02:19:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:19:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 132 transitions. [2023-11-12 02:19:46,990 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 132 transitions. Word has length 161 [2023-11-12 02:19:46,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:46,991 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 132 transitions. [2023-11-12 02:19:46,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-11-12 02:19:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2023-11-12 02:19:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-12 02:19:46,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:46,998 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:47,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:47,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:47,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:47,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2036480766, now seen corresponding path program 1 times [2023-11-12 02:19:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:47,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680227528] [2023-11-12 02:19:47,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:47,272 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:19:47,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752756007] [2023-11-12 02:19:47,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:47,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:47,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:47,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:47,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:19:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:47,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:19:47,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 36 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-12 02:19:47,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:19:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 02:19:47,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:47,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680227528] [2023-11-12 02:19:47,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:19:47,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752756007] [2023-11-12 02:19:47,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752756007] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:19:47,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:19:47,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2023-11-12 02:19:47,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120345805] [2023-11-12 02:19:47,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:19:47,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:19:47,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:47,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:19:47,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:19:47,930 INFO L87 Difference]: Start difference. First operand 87 states and 132 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-12 02:19:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:48,590 INFO L93 Difference]: Finished difference Result 258 states and 379 transitions. [2023-11-12 02:19:48,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 02:19:48,591 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 164 [2023-11-12 02:19:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:48,593 INFO L225 Difference]: With dead ends: 258 [2023-11-12 02:19:48,593 INFO L226 Difference]: Without dead ends: 174 [2023-11-12 02:19:48,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 317 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2023-11-12 02:19:48,595 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 260 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:48,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 357 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:19:48,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-12 02:19:48,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 93. [2023-11-12 02:19:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:19:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2023-11-12 02:19:48,618 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 164 [2023-11-12 02:19:48,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:48,619 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2023-11-12 02:19:48,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-12 02:19:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2023-11-12 02:19:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-12 02:19:48,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:48,623 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:48,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:48,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:48,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:48,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash 670138628, now seen corresponding path program 1 times [2023-11-12 02:19:48,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:48,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692919188] [2023-11-12 02:19:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:48,892 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:19:48,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356150735] [2023-11-12 02:19:48,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:48,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:48,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:48,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:19:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:49,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:19:49,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 02:19:49,645 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:19:49,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692919188] [2023-11-12 02:19:49,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:19:49,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356150735] [2023-11-12 02:19:49,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356150735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:49,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:49,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:19:49,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912921618] [2023-11-12 02:19:49,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:49,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:19:49,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:49,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:19:49,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:19:49,661 INFO L87 Difference]: Start difference. First operand 93 states and 136 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 02:19:49,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:49,822 INFO L93 Difference]: Finished difference Result 183 states and 269 transitions. [2023-11-12 02:19:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:19:49,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2023-11-12 02:19:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:49,825 INFO L225 Difference]: With dead ends: 183 [2023-11-12 02:19:49,826 INFO L226 Difference]: Without dead ends: 93 [2023-11-12 02:19:49,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:19:49,827 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 109 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:49,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 133 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:19:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-12 02:19:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-12 02:19:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:19:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-11-12 02:19:49,859 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 164 [2023-11-12 02:19:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:49,860 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-11-12 02:19:49,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 02:19:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-12 02:19:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-12 02:19:49,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:49,863 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:49,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:50,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:50,070 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:50,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:50,071 INFO L85 PathProgramCache]: Analyzing trace with hash -233544953, now seen corresponding path program 1 times [2023-11-12 02:19:50,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:50,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503123524] [2023-11-12 02:19:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:50,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:50,125 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:19:50,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6360636] [2023-11-12 02:19:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:50,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:50,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:50,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:50,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:19:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:50,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:50,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:50,824 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:19:50,825 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:19:50,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:51,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:19:51,037 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:19:51,041 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:19:51,153 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:19:51,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:19:51 BoogieIcfgContainer [2023-11-12 02:19:51,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:19:51,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:19:51,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:19:51,185 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:19:51,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:43" (3/4) ... [2023-11-12 02:19:51,188 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:19:51,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:19:51,190 INFO L158 Benchmark]: Toolchain (without parser) took 8896.79ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 103.4MB in the beginning and 51.3MB in the end (delta: 52.1MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2023-11-12 02:19:51,190 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:19:51,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.07ms. Allocated memory is still 148.9MB. Free memory was 103.4MB in the beginning and 88.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:19:51,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.20ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 84.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:19:51,192 INFO L158 Benchmark]: Boogie Preprocessor took 61.75ms. Allocated memory is still 148.9MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:19:51,192 INFO L158 Benchmark]: RCFGBuilder took 823.13ms. Allocated memory is still 148.9MB. Free memory was 81.8MB in the beginning and 57.8MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 02:19:51,192 INFO L158 Benchmark]: TraceAbstraction took 7409.39ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 57.2MB in the beginning and 52.3MB in the end (delta: 4.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-11-12 02:19:51,193 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 180.4MB. Free memory was 52.3MB in the beginning and 51.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:19:51,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.07ms. Allocated memory is still 148.9MB. Free memory was 103.4MB in the beginning and 88.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.20ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 84.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.75ms. Allocated memory is still 148.9MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.13ms. Allocated memory is still 148.9MB. Free memory was 81.8MB in the beginning and 57.8MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7409.39ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 57.2MB in the beginning and 52.3MB in the end (delta: 4.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 180.4MB. Free memory was 52.3MB in the beginning and 51.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 176, overapproximation of someBinaryDOUBLEComparisonOperation at line 176. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] signed char var_1_21 = -5; [L39] signed char var_1_27 = 4; [L40] float var_1_28 = 8.95; [L41] signed short int var_1_30 = -256; [L42] unsigned char var_1_31 = 0; [L43] unsigned char var_1_35 = 1; [L44] unsigned char var_1_36 = 0; [L45] unsigned char var_1_37 = 0; [L46] unsigned char var_1_38 = 1; [L47] unsigned short int var_1_39 = 4; [L48] unsigned char var_1_41 = 10; [L49] unsigned long int last_1_var_1_1 = 1000; [L50] unsigned char last_1_var_1_5 = 1; [L51] unsigned long int last_1_var_1_12 = 128; [L52] unsigned char last_1_var_1_13 = 16; [L53] unsigned long int last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L180] isInitial = 1 [L181] FCALL initially() [L182] COND TRUE 1 [L183] CALL updateLastVariables() [L169] last_1_var_1_1 = var_1_1 [L170] last_1_var_1_5 = var_1_5 [L171] last_1_var_1_12 = var_1_12 [L172] last_1_var_1_13 = var_1_13 [L173] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L183] RET updateLastVariables() [L184] CALL updateVariables() [L129] var_1_6 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L130] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L131] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L131] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L132] var_1_8 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L134] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L134] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L135] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L135] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L136] var_1_9 = __VERIFIER_nondet_ulong() [L137] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L137] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L138] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L138] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L139] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L139] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L140] var_1_11 = __VERIFIER_nondet_float() [L141] 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=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L141] 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=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L142] var_1_14 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L143] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L144] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L144] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L145] var_1_17 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L146] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L147] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L147] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L148] var_1_19 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L149] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=31/2, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L150] var_1_20 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L151] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=4, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L152] var_1_27 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L153] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L154] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L154] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L155] var_1_35 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_35 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L156] RET assume_abort_if_not(var_1_35 >= 1) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L157] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L157] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=0, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L158] var_1_36 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L159] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L160] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L160] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=4, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L161] var_1_39 = __VERIFIER_nondet_ushort() [L162] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L162] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L163] CALL assume_abort_if_not(var_1_39 <= 15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L163] RET assume_abort_if_not(var_1_39 <= 15) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=10, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L164] var_1_41 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_41 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L165] RET assume_abort_if_not(var_1_41 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L166] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L166] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L184] RET updateVariables() [L185] CALL step() [L57] signed long int stepLocal_1 = last_1_var_1_13; [L58] signed long int stepLocal_0 = last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L59] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=1000, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L60] COND TRUE \read(last_1_var_1_5) [L61] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L70] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L71] COND TRUE last_1_var_1_13 <= stepLocal_2 [L72] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L76] unsigned char stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L77] COND FALSE !(stepLocal_3 || var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L80] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L81] var_1_16 = (var_1_6 && var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L82] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=4294967295] [L85] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) [L90] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L92] COND TRUE var_1_7 <= (- (32.8f + var_1_7)) [L93] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L95] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=179/20, var_1_30=-256, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L100] var_1_28 = var_1_19 [L101] var_1_30 = ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L102] COND FALSE !((((((var_1_20 - var_1_20)) < (var_1_11)) ? ((var_1_20 - var_1_20)) : (var_1_11))) > (var_1_19 * 31.3)) [L107] var_1_31 = (var_1_35 && ((var_1_13 > var_1_13) && (! var_1_36))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L109] COND TRUE (var_1_7 / 25.4f) >= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L110] var_1_37 = (! (var_1_36 || var_1_35)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L112] COND TRUE ! var_1_6 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L113] EXPR (var_1_13 + var_1_14) << ((((5) < (var_1_39)) ? (5) : (var_1_39))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=1, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L113] COND FALSE !((var_1_9 + var_1_13) >= ((var_1_13 + var_1_14) << ((((5) < (var_1_39)) ? (5) : (var_1_39))))) [L120] COND TRUE ! (var_1_14 >= var_1_41) [L121] var_1_38 = var_1_39 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, stepLocal_2=1008, stepLocal_3=0, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=0, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L185] RET step() [L186] CALL, EXPR property() [L176-L177] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=0, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L186] RET, EXPR property() [L186] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=0, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=3, var_1_1=128, var_1_20=4, var_1_21=-5, var_1_27=126, var_1_28=3, var_1_30=1, var_1_31=0, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=0, var_1_39=0, var_1_41=2, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=32, var_1_9=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 6, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 529 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 1057 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 509 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 537 IncrementalHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 548 mSDtfsCounter, 537 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1110 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=4, InterpolantAutomatonStates: 37, 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, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1129 ConstructedInterpolants, 0 QuantifiedInterpolants, 2710 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2036 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 8190/8400 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:19:51,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35524620b4392269b8ac69f6a77765367543a28524c63c5b4259d7a5961c7edf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:19:54,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:54,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:19:54,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:54,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:54,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:54,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:54,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:54,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:19:54,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:19:54,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:54,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:54,174 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:54,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:54,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:19:54,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:19:54,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:19:54,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:54,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:19:54,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:19:54,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:19:54,181 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:19:54,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:19:54,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:19:54,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:19:54,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:54,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:54,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:54,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:54,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:19:54,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:54,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:54,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:19:54,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:19:54,188 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:19:54,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:19:54,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:19:54,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:19:54,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:19:54,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:19:54,191 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:19:54,191 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:19:54,192 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_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35524620b4392269b8ac69f6a77765367543a28524c63c5b4259d7a5961c7edf [2023-11-12 02:19:54,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:54,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:54,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:54,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:54,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:54,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i [2023-11-12 02:19:57,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:58,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:58,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i [2023-11-12 02:19:58,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data/9d26621eb/883b3c07cd3c4e89b3f0063fedb62a04/FLAGacd3d9991 [2023-11-12 02:19:58,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/data/9d26621eb/883b3c07cd3c4e89b3f0063fedb62a04 [2023-11-12 02:19:58,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:58,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:58,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:58,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:58,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:58,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a5e62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58, skipping insertion in model container [2023-11-12 02:19:58,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:58,582 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_c01bf694-0bc2-466f-9c67-bd8187125cbe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i[919,932] [2023-11-12 02:19:58,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:58,733 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:58,753 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_c01bf694-0bc2-466f-9c67-bd8187125cbe/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i[919,932] [2023-11-12 02:19:58,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:58,870 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:58,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58 WrapperNode [2023-11-12 02:19:58,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:58,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:58,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:58,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:58,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,945 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-12 02:19:58,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:58,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:58,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:58,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:58,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:58,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:59,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:59,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:59,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:59,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:59,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:59,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:59,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:59,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (1/1) ... [2023-11-12 02:19:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:59,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:59,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:59,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:19:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:19:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:19:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:59,283 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:59,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:20:07,798 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:20:07,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:20:07,807 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:20:07,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:07 BoogieIcfgContainer [2023-11-12 02:20:07,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:20:07,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:20:07,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:20:07,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:20:07,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:58" (1/3) ... [2023-11-12 02:20:07,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f27cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:07, skipping insertion in model container [2023-11-12 02:20:07,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:58" (2/3) ... [2023-11-12 02:20:07,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f27cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:07, skipping insertion in model container [2023-11-12 02:20:07,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:07" (3/3) ... [2023-11-12 02:20:07,820 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-85.i [2023-11-12 02:20:07,841 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:20:07,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:20:07,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:20:07,903 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;@ab8bd93, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:20:07,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:20:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 52 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:20:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:20:07,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:07,932 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:07,936 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:07,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:07,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2111576809, now seen corresponding path program 1 times [2023-11-12 02:20:07,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:20:07,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499397448] [2023-11-12 02:20:07,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:07,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:20:07,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:20:07,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:20:07,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:20:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:08,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:20:09,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-12 02:20:09,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:09,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:20:09,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499397448] [2023-11-12 02:20:09,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499397448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:09,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:09,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:20:09,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510338704] [2023-11-12 02:20:09,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:09,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:20:09,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:20:09,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:20:09,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:20:09,185 INFO L87 Difference]: Start difference. First operand has 79 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 52 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:20:09,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:09,262 INFO L93 Difference]: Finished difference Result 151 states and 267 transitions. [2023-11-12 02:20:09,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:20:09,266 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-11-12 02:20:09,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:09,280 INFO L225 Difference]: With dead ends: 151 [2023-11-12 02:20:09,280 INFO L226 Difference]: Without dead ends: 75 [2023-11-12 02:20:09,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:20:09,294 INFO L413 NwaCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:09,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:20:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-12 02:20:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-12 02:20:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 48 states have internal predecessors, (67), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:20:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-12 02:20:09,380 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 161 [2023-11-12 02:20:09,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:09,381 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-12 02:20:09,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:20:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-12 02:20:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 02:20:09,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:09,393 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:09,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:20:09,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:20:09,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:09,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:09,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1176131725, now seen corresponding path program 1 times [2023-11-12 02:20:09,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:20:09,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133013520] [2023-11-12 02:20:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:09,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:20:09,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:20:09,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:20:09,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:20:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:10,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:20:10,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 02:20:11,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:20:11,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:20:11,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133013520] [2023-11-12 02:20:11,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2133013520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:11,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:11,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:20:11,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630011969] [2023-11-12 02:20:11,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:11,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:20:11,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:20:11,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:20:11,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:11,892 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 02:20:14,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:20:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:14,860 INFO L93 Difference]: Finished difference Result 147 states and 231 transitions. [2023-11-12 02:20:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:20:14,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 161 [2023-11-12 02:20:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:14,891 INFO L225 Difference]: With dead ends: 147 [2023-11-12 02:20:14,892 INFO L226 Difference]: Without dead ends: 75 [2023-11-12 02:20:14,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:20:14,894 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 109 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:14,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 133 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-12 02:20:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-12 02:20:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-12 02:20:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:20:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 116 transitions. [2023-11-12 02:20:14,916 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 116 transitions. Word has length 161 [2023-11-12 02:20:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:14,919 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 116 transitions. [2023-11-12 02:20:14,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 02:20:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2023-11-12 02:20:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 02:20:14,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:14,926 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:14,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:20:15,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:20:15,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:15,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:15,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1217864652, now seen corresponding path program 1 times [2023-11-12 02:20:15,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:20:15,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723207341] [2023-11-12 02:20:15,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:15,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:20:15,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:20:15,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:20:15,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01bf694-0bc2-466f-9c67-bd8187125cbe/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:20:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:16,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:20:16,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:20:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 36 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-12 02:20:19,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:20:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 02:20:20,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:20:20,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723207341] [2023-11-12 02:20:20,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723207341] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:20:20,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:20:20,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2023-11-12 02:20:20,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356979945] [2023-11-12 02:20:20,158 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:20:20,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 02:20:20,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:20:20,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 02:20:20,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:20:20,162 INFO L87 Difference]: Start difference. First operand 75 states and 116 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 4 states have call successors, (50), 3 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-12 02:20:25,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:27,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:28,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:33,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []