./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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_462007db-68d2-4fb3-af58-e35b37c3891b/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 d4502a09464b29bf00952bf3323a73b5690388bf06e82f0cd90fbd1bfdf0148c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:48,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:48,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:21:48,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:48,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:48,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:48,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:48,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:48,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:48,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:48,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:48,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:48,160 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:48,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:48,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:48,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:48,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:48,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:48,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:48,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:48,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:48,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:48,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:48,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:48,167 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:48,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:48,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:48,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:48,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:48,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:48,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:48,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:48,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:48,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:21:48,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:48,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:48,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:48,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:48,173 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:48,174 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_462007db-68d2-4fb3-af58-e35b37c3891b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4502a09464b29bf00952bf3323a73b5690388bf06e82f0cd90fbd1bfdf0148c [2023-11-12 02:21:48,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:48,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:48,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:48,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:48,463 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:48,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i [2023-11-12 02:21:51,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:51,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:51,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i [2023-11-12 02:21:51,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data/64c5c9908/632ce881d6c24acf850dcbfb9228a1e6/FLAG1d274e497 [2023-11-12 02:21:51,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data/64c5c9908/632ce881d6c24acf850dcbfb9228a1e6 [2023-11-12 02:21:51,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:51,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:51,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:51,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:51,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:51,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:51" (1/1) ... [2023-11-12 02:21:51,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700a4ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:51, skipping insertion in model container [2023-11-12 02:21:51,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:51" (1/1) ... [2023-11-12 02:21:51,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:52,013 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_462007db-68d2-4fb3-af58-e35b37c3891b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i[918,931] [2023-11-12 02:21:52,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:52,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:52,096 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_462007db-68d2-4fb3-af58-e35b37c3891b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i[918,931] [2023-11-12 02:21:52,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:52,186 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:52,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52 WrapperNode [2023-11-12 02:21:52,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:52,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:52,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:52,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:52,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,269 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 02:21:52,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:52,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:52,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:52,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:52,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:52,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:52,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:52,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:52,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (1/1) ... [2023-11-12 02:21:52,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:52,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:52,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:21:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:21:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:21:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:52,495 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:52,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:52,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:52,985 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:52,985 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:21:52,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:52 BoogieIcfgContainer [2023-11-12 02:21:52,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:52,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:21:52,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:21:52,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:21:52,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:21:51" (1/3) ... [2023-11-12 02:21:52,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b20213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:52, skipping insertion in model container [2023-11-12 02:21:52,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:52" (2/3) ... [2023-11-12 02:21:52,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b20213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:52, skipping insertion in model container [2023-11-12 02:21:53,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:52" (3/3) ... [2023-11-12 02:21:53,022 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i [2023-11-12 02:21:53,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:21:53,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:21:53,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:53,088 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;@5edfb8a6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:53,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:21:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 56 states have internal predecessors, (85), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 02:21:53,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:53,107 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:53,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:53,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:53,112 INFO L85 PathProgramCache]: Analyzing trace with hash 681516834, now seen corresponding path program 1 times [2023-11-12 02:21:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:53,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263623452] [2023-11-12 02:21:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:53,351 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:53,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280785331] [2023-11-12 02:21:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:53,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:53,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:53,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:53,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:21:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:53,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:21:53,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:21:53,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:53,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:53,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263623452] [2023-11-12 02:21:53,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:53,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280785331] [2023-11-12 02:21:53,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280785331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:53,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:53,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:53,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709941299] [2023-11-12 02:21:53,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:53,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:21:53,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:53,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:21:53,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:21:53,784 INFO L87 Difference]: Start difference. First operand has 77 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 56 states have internal predecessors, (85), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:53,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:53,842 INFO L93 Difference]: Finished difference Result 147 states and 259 transitions. [2023-11-12 02:21:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:21:53,844 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 132 [2023-11-12 02:21:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:53,852 INFO L225 Difference]: With dead ends: 147 [2023-11-12 02:21:53,853 INFO L226 Difference]: Without dead ends: 73 [2023-11-12 02:21:53,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 02:21:53,859 INFO L413 NwaCegarLoop]: 114 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, 114 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 02:21:53,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:21:53,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-12 02:21:53,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-12 02:21:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-11-12 02:21:53,911 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 132 [2023-11-12 02:21:53,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:53,914 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-11-12 02:21:53,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-11-12 02:21:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-12 02:21:53,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:53,918 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:53,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:54,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:21:54,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:54,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash 937930055, now seen corresponding path program 1 times [2023-11-12 02:21:54,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:54,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517656725] [2023-11-12 02:21:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:54,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:54,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641307409] [2023-11-12 02:21:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:54,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:54,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:54,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:21:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:54,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:21:54,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:21:54,503 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:54,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:54,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517656725] [2023-11-12 02:21:54,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:54,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641307409] [2023-11-12 02:21:54,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641307409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:54,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:54,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:21:54,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393683807] [2023-11-12 02:21:54,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:54,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:54,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:54,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:54,511 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:54,592 INFO L93 Difference]: Finished difference Result 144 states and 227 transitions. [2023-11-12 02:21:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:54,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-11-12 02:21:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:54,595 INFO L225 Difference]: With dead ends: 144 [2023-11-12 02:21:54,595 INFO L226 Difference]: Without dead ends: 74 [2023-11-12 02:21:54,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 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 02:21:54,598 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:54,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:21:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-12 02:21:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-12 02:21:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 53 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:21:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-11-12 02:21:54,624 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 133 [2023-11-12 02:21:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:54,625 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-11-12 02:21:54,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:21:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-11-12 02:21:54,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-12 02:21:54,653 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:54,653 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:54,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:54,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:54,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:54,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2077173563, now seen corresponding path program 1 times [2023-11-12 02:21:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:54,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360612020] [2023-11-12 02:21:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:54,911 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:54,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424205585] [2023-11-12 02:21:54,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:54,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:54,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:54,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:21:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:55,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:21:55,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-11-12 02:21:55,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:21:55,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:55,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360612020] [2023-11-12 02:21:55,849 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:21:55,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424205585] [2023-11-12 02:21:55,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424205585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:55,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:55,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:21:55,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627169997] [2023-11-12 02:21:55,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:55,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:21:55,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:55,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:21:55,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:21:55,853 INFO L87 Difference]: Start difference. First operand 74 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:21:56,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:21:56,063 INFO L93 Difference]: Finished difference Result 187 states and 286 transitions. [2023-11-12 02:21:56,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:21:56,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2023-11-12 02:21:56,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:21:56,067 INFO L225 Difference]: With dead ends: 187 [2023-11-12 02:21:56,067 INFO L226 Difference]: Without dead ends: 116 [2023-11-12 02:21:56,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:21:56,069 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 184 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:21:56,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 172 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:21:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-12 02:21:56,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2023-11-12 02:21:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 82 states have (on average 1.4024390243902438) internal successors, (115), 83 states have internal predecessors, (115), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 02:21:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2023-11-12 02:21:56,089 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 133 [2023-11-12 02:21:56,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:21:56,090 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2023-11-12 02:21:56,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:21:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-12 02:21:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:21:56,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:21:56,094 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:56,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:56,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:56,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:21:56,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:56,301 INFO L85 PathProgramCache]: Analyzing trace with hash 537401689, now seen corresponding path program 1 times [2023-11-12 02:21:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:56,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635902477] [2023-11-12 02:21:56,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:56,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:56,382 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:21:56,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515235156] [2023-11-12 02:21:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:56,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:56,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:56,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:56,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:21:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:57,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:57,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:57,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:21:57,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:21:57,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-12 02:21:57,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:57,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:21:57,531 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:21:57,634 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-12 02:21:57,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:21:57 BoogieIcfgContainer [2023-11-12 02:21:57,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:21:57,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:21:57,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:21:57,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:21:57,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:52" (3/4) ... [2023-11-12 02:21:57,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:21:57,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:21:57,682 INFO L158 Benchmark]: Toolchain (without parser) took 5855.09ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 88.7MB in the beginning and 145.9MB in the end (delta: -57.1MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,682 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 94.0MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:21:57,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.29ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 74.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.90ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 70.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,684 INFO L158 Benchmark]: Boogie Preprocessor took 73.57ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,684 INFO L158 Benchmark]: RCFGBuilder took 643.70ms. Allocated memory is still 121.6MB. Free memory was 68.4MB in the beginning and 89.9MB in the end (delta: -21.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,684 INFO L158 Benchmark]: TraceAbstraction took 4673.05ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 89.2MB in the beginning and 49.9MB in the end (delta: 39.3MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,685 INFO L158 Benchmark]: Witness Printer took 17.71ms. Allocated memory is still 176.2MB. Free memory was 49.9MB in the beginning and 145.9MB in the end (delta: -96.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-12 02:21:57,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 94.0MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.29ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 74.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.90ms. Allocated memory is still 121.6MB. Free memory was 73.8MB in the beginning and 70.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.57ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.70ms. Allocated memory is still 121.6MB. Free memory was 68.4MB in the beginning and 89.9MB in the end (delta: -21.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4673.05ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 89.2MB in the beginning and 49.9MB in the end (delta: 39.3MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Witness Printer took 17.71ms. Allocated memory is still 176.2MB. Free memory was 49.9MB in the beginning and 145.9MB in the end (delta: -96.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 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 169, overapproximation of someBinaryArithmeticDOUBLEoperation at line 129, overapproximation of someUnaryDOUBLEoperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 169, overapproximation of someBinaryArithmeticFLOAToperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] float var_1_4 = 9999999.8; [L24] float var_1_5 = 8.6; [L25] unsigned long int var_1_6 = 10000; [L26] double var_1_8 = 64.5; [L27] float var_1_10 = 255.25; [L28] float var_1_11 = 7.5; [L29] float var_1_12 = 0.0; [L30] float var_1_13 = 64.8; [L31] double var_1_14 = 127.75; [L32] signed char var_1_15 = 8; [L33] signed char var_1_16 = 32; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] double var_1_19 = 2.25; [L37] unsigned char var_1_20 = 0; [L38] unsigned short int var_1_21 = 256; [L39] float var_1_22 = 256.5; [L40] signed char var_1_27 = -64; [L41] signed char var_1_30 = -10; [L42] unsigned long int var_1_31 = 8; [L43] double var_1_32 = 499.75; [L44] double var_1_36 = 3.15; [L45] unsigned char var_1_38 = 8; [L46] float var_1_40 = 255.8; [L47] signed short int var_1_41 = 256; [L48] signed char var_1_42 = -32; [L49] unsigned long int last_1_var_1_6 = 10000; VAL [isInitial=0, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L166] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_4 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L134] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L135] var_1_5 = __VERIFIER_nondet_float() [L136] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L136] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L137] var_1_8 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L138] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L139] var_1_11 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L140] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L141] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L141] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L142] var_1_12 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L143] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L144] var_1_13 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L145] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L146] var_1_15 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L147] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L148] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L148] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L149] var_1_16 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L150] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L151] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L151] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L152] var_1_18 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L153] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L154] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L154] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L155] var_1_30 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L156] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L157] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L157] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L158] var_1_36 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 2305843.009213691390e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L159] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 2305843.009213691390e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L160] var_1_42 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_42 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L161] RET assume_abort_if_not(var_1_42 >= -128) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L162] CALL assume_abort_if_not(var_1_42 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L162] RET assume_abort_if_not(var_1_42 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L163] CALL assume_abort_if_not(var_1_42 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L163] RET assume_abort_if_not(var_1_42 != 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L177] RET updateVariables() [L178] CALL step() [L53] COND TRUE var_1_6 >= var_1_16 [L54] var_1_22 = (var_1_13 + var_1_13) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L56] COND FALSE !(((var_1_4 + 127.75f) * var_1_13) < var_1_13) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L61] COND FALSE !(var_1_20 < (~ var_1_30)) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=1999/4, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L66] COND FALSE !(var_1_13 == var_1_13) [L73] var_1_32 = (((((((var_1_12 - 9.5) < 0 ) ? -(var_1_12 - 9.5) : (var_1_12 - 9.5))) < 0 ) ? -((((var_1_12 - 9.5) < 0 ) ? -(var_1_12 - 9.5) : (var_1_12 - 9.5))) : ((((var_1_12 - 9.5) < 0 ) ? -(var_1_12 - 9.5) : (var_1_12 - 9.5))))) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L75] COND TRUE ! (var_1_4 <= var_1_36) [L76] var_1_38 = var_1_16 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L78] EXPR (var_1_16 >> 4) & var_1_16 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=1279/5, var_1_41=256, var_1_42=-2, var_1_5=2, var_1_6=10000, var_1_8=3] [L78] COND TRUE 128 != ((var_1_16 >> 4) & var_1_16) [L79] var_1_40 = ((((var_1_36) > (var_1_4)) ? (var_1_36) : (var_1_4))) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=256, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L81] COND TRUE (var_1_16 / var_1_42) < var_1_20 [L82] var_1_41 = ((((((((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))) < 0 ) ? -((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))) : ((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))))) < 0 ) ? -(((((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))) < 0 ) ? -((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))) : ((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))))) : (((((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))) < 0 ) ? -((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))) : ((((var_1_30) > (var_1_6)) ? (var_1_30) : (var_1_6))))))) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L86] COND TRUE (var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6 [L87] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L89] COND TRUE (var_1_5 / var_1_11) >= (var_1_8 - var_1_4) [L90] var_1_10 = (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L94] var_1_20 = var_1_16 [L95] var_1_21 = var_1_16 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L96] COND TRUE var_1_21 <= (var_1_16 * var_1_20) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L97] COND TRUE (var_1_5 + var_1_14) <= 127.025f [L98] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L105] unsigned char stepLocal_0 = var_1_20 != var_1_20; VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=10000, var_1_8=3] [L106] COND FALSE !(\read(var_1_17)) [L117] var_1_6 = var_1_20 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] [L119] COND TRUE var_1_6 <= var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] [L120] COND FALSE !(var_1_6 > var_1_6) [L123] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] [L128] COND TRUE var_1_1 < var_1_11 [L129] var_1_19 = (var_1_13 - 256.4) VAL [isInitial=1, last_1_var_1_6=10000, stepLocal_0=0, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return ((((((((var_1_6 <= var_1_6) ? ((var_1_6 > var_1_6) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_17 ? ((((((var_1_14) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_14) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_20 != var_1_20) || var_1_17) ? (var_1_6 == ((unsigned long int) var_1_20)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_20))) : (var_1_6 == ((unsigned long int) var_1_20)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_21 <= (var_1_16 * var_1_20)) ? (((var_1_5 + var_1_14) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_1 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=9, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=5, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=5, var_1_21=5, var_1_27=-64, var_1_30=126, var_1_31=8, var_1_32=7, var_1_36=8, var_1_38=5, var_1_40=8, var_1_41=10000, var_1_42=-2, var_1_4=0, var_1_5=2, var_1_6=5, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 506 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 344 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=3, InterpolantAutomatonStates: 10, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1019 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2052/2052 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 02:21:57,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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_462007db-68d2-4fb3-af58-e35b37c3891b/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 d4502a09464b29bf00952bf3323a73b5690388bf06e82f0cd90fbd1bfdf0148c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:22:00,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:22:00,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:22:00,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:22:00,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:22:00,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:22:00,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:22:00,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:22:00,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:22:00,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:22:00,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:22:00,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:22:00,583 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:22:00,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:22:00,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:22:00,585 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:22:00,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:22:00,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:22:00,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:22:00,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:22:00,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:22:00,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:22:00,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:22:00,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:22:00,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:22:00,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:22:00,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:22:00,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:22:00,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:22:00,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:22:00,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:00,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:22:00,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:22:00,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:22:00,594 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:22:00,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:22:00,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:22:00,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:22:00,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:22:00,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:22:00,595 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:22:00,596 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:22:00,596 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_462007db-68d2-4fb3-af58-e35b37c3891b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4502a09464b29bf00952bf3323a73b5690388bf06e82f0cd90fbd1bfdf0148c [2023-11-12 02:22:01,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:22:01,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:22:01,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:22:01,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:22:01,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:22:01,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i [2023-11-12 02:22:04,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:22:04,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:22:04,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i [2023-11-12 02:22:04,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data/e874ad349/d111ec30ed2546abb53bd63858bf5fb0/FLAGa57b26656 [2023-11-12 02:22:04,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/data/e874ad349/d111ec30ed2546abb53bd63858bf5fb0 [2023-11-12 02:22:04,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:22:04,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:22:04,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:04,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:22:04,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:22:04,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:04" (1/1) ... [2023-11-12 02:22:04,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dab79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:04, skipping insertion in model container [2023-11-12 02:22:04,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:22:04" (1/1) ... [2023-11-12 02:22:04,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:22:04,851 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_462007db-68d2-4fb3-af58-e35b37c3891b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i[918,931] [2023-11-12 02:22:04,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:04,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:22:04,950 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_462007db-68d2-4fb3-af58-e35b37c3891b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i[918,931] [2023-11-12 02:22:05,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:22:05,058 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:22:05,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05 WrapperNode [2023-11-12 02:22:05,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:22:05,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:05,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:22:05,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:22:05,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,147 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-11-12 02:22:05,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:22:05,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:22:05,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:22:05,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:22:05,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:22:05,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:22:05,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:22:05,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:22:05,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (1/1) ... [2023-11-12 02:22:05,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:22:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:22:05,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:22:05,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:22:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:22:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:22:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:22:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:22:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:22:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:22:05,414 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:22:05,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:22:19,453 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:22:19,462 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:22:19,463 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:22:19,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:19 BoogieIcfgContainer [2023-11-12 02:22:19,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:22:19,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:22:19,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:22:19,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:22:19,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:22:04" (1/3) ... [2023-11-12 02:22:19,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39aeec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:19, skipping insertion in model container [2023-11-12 02:22:19,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:22:05" (2/3) ... [2023-11-12 02:22:19,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39aeec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:22:19, skipping insertion in model container [2023-11-12 02:22:19,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:22:19" (3/3) ... [2023-11-12 02:22:19,476 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-2.i [2023-11-12 02:22:19,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:22:19,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:22:19,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:22:19,560 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;@56c5ca82, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:22:19,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:22:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:22:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-12 02:22:19,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:22:19,581 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:19,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:22:19,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:19,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1162512633, now seen corresponding path program 1 times [2023-11-12 02:22:19,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:22:19,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947095694] [2023-11-12 02:22:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:19,607 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 02:22:19,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:22:19,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:19,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:20,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:22:20,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-12 02:22:20,893 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:22:20,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:22:20,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947095694] [2023-11-12 02:22:20,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947095694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:22:20,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:22:20,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:22:20,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468049581] [2023-11-12 02:22:20,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:22:20,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:22:20,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:22:20,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:22:20,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:22:20,964 INFO L87 Difference]: Start difference. First operand has 73 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:22:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:22:21,031 INFO L93 Difference]: Finished difference Result 139 states and 243 transitions. [2023-11-12 02:22:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:22:21,036 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2023-11-12 02:22:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:22:21,047 INFO L225 Difference]: With dead ends: 139 [2023-11-12 02:22:21,047 INFO L226 Difference]: Without dead ends: 69 [2023-11-12 02:22:21,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 02:22:21,057 INFO L413 NwaCegarLoop]: 104 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, 104 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 02:22:21,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:22:21,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-12 02:22:21,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-12 02:22:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:22:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-12 02:22:21,116 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 131 [2023-11-12 02:22:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:22:21,117 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-12 02:22:21,118 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:22:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-12 02:22:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 02:22:21,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:22:21,127 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:21,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 02:22:21,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:21,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:22:21,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:21,329 INFO L85 PathProgramCache]: Analyzing trace with hash 689285944, now seen corresponding path program 1 times [2023-11-12 02:22:21,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:22:21,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337771310] [2023-11-12 02:22:21,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:21,331 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 02:22:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:22:21,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:21,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:22,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:22:22,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 318 proven. 36 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-12 02:22:24,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:22:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-12 02:22:25,552 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:22:25,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337771310] [2023-11-12 02:22:25,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337771310] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:22:25,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:22:25,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-12 02:22:25,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031767302] [2023-11-12 02:22:25,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:22:25,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:22:25,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:22:25,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:22:25,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:22:25,561 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-12 02:22:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:30,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:32,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:35,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:37,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:39,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:42,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:44,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:46,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:22:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:22:46,368 INFO L93 Difference]: Finished difference Result 141 states and 210 transitions. [2023-11-12 02:22:46,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:22:46,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 132 [2023-11-12 02:22:46,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:22:46,443 INFO L225 Difference]: With dead ends: 141 [2023-11-12 02:22:46,444 INFO L226 Difference]: Without dead ends: 75 [2023-11-12 02:22:46,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:22:46,446 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:22:46,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 179 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 8 Unknown, 0 Unchecked, 20.6s Time] [2023-11-12 02:22:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-12 02:22:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-12 02:22:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:22:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions. [2023-11-12 02:22:46,464 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 132 [2023-11-12 02:22:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:22:46,466 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions. [2023-11-12 02:22:46,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-12 02:22:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2023-11-12 02:22:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:22:46,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:22:46,470 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:46,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:46,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:46,670 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:22:46,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:22:46,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1751806771, now seen corresponding path program 1 times [2023-11-12 02:22:46,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:22:46,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447745207] [2023-11-12 02:22:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:22:46,673 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 02:22:46,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:22:46,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:46,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462007db-68d2-4fb3-af58-e35b37c3891b/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 02:22:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:22:47,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:22:47,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:22:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 27 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-12 02:22:48,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:22:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-12 02:22:49,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:22:49,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447745207] [2023-11-12 02:22:49,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447745207] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:22:49,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:22:49,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-12 02:22:49,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535461400] [2023-11-12 02:22:49,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:22:49,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:22:49,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:22:49,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:22:49,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:22:49,426 INFO L87 Difference]: Start difference. First operand 73 states and 105 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)