./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 2d3e3fe1097eb5cc161ed209d4e6f9c5a89785e619e27e5f9e0923413431f0b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:28,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:28,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:28,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:28,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:28,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:28,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:28,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:28,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:28,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:28,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:28,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:28,356 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:28,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:28,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:28,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:28,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:28,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:28,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:28,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:28,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:28,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:28,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:28,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:28,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:28,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:28,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:28,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:28,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:28,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:28,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:28,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:28,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:28,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:28,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:28,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:28,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:28,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:28,376 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:28,377 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_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3e3fe1097eb5cc161ed209d4e6f9c5a89785e619e27e5f9e0923413431f0b1 [2023-11-06 21:59:28,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:28,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:28,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:28,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:28,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:28,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i [2023-11-06 21:59:32,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:32,361 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:32,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i [2023-11-06 21:59:32,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data/6a851f754/9fee9c79c5924efb97e20d9b4b18745f/FLAGcdc541479 [2023-11-06 21:59:32,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data/6a851f754/9fee9c79c5924efb97e20d9b4b18745f [2023-11-06 21:59:32,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:32,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:32,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:32,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:32,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:32,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371c533f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32, skipping insertion in model container [2023-11-06 21:59:32,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:32,643 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_79fbd541-beb8-41e3-8eff-5a47ddb87a20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i[915,928] [2023-11-06 21:59:32,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:32,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:32,788 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i[915,928] [2023-11-06 21:59:32,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:32,861 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:32,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32 WrapperNode [2023-11-06 21:59:32,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:32,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:32,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:32,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:32,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:32,972 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-06 21:59:32,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:32,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:32,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:32,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:33,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:33,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:33,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:33,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:33,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (1/1) ... [2023-11-06 21:59:33,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:33,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:33,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:33,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:33,387 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:33,390 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:33,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:33,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:33,987 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:33,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:33 BoogieIcfgContainer [2023-11-06 21:59:33,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:33,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:33,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:33,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:33,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:32" (1/3) ... [2023-11-06 21:59:33,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44519f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:33, skipping insertion in model container [2023-11-06 21:59:33,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:32" (2/3) ... [2023-11-06 21:59:33,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44519f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:33, skipping insertion in model container [2023-11-06 21:59:33,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:33" (3/3) ... [2023-11-06 21:59:33,999 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-6.i [2023-11-06 21:59:34,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:34,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:34,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:34,113 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=LoopsAndPotentialCycles, 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;@4ef9bae7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:34,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 21:59:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 21:59:34,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:34,139 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:34,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:34,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:34,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1612745307, now seen corresponding path program 1 times [2023-11-06 21:59:34,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:34,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903875318] [2023-11-06 21:59:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:34,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:59:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:59:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:59:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:59:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:59:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:59:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:59:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 21:59:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:59:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 21:59:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:59:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 21:59:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 21:59:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 21:59:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 21:59:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 21:59:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 21:59:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 21:59:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 21:59:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 21:59:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:59:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 21:59:34,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:34,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903875318] [2023-11-06 21:59:34,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903875318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:34,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:34,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:34,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543312850] [2023-11-06 21:59:34,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:34,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:34,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:34,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:34,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:34,816 INFO L87 Difference]: Start difference. First operand has 89 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:59:34,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:34,860 INFO L93 Difference]: Finished difference Result 170 states and 293 transitions. [2023-11-06 21:59:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:34,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 153 [2023-11-06 21:59:34,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:34,873 INFO L225 Difference]: With dead ends: 170 [2023-11-06 21:59:34,874 INFO L226 Difference]: Without dead ends: 84 [2023-11-06 21:59:34,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:34,883 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2023-11-06 21:59:34,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:34,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-06 21:59:34,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-06 21:59:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 21:59:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 129 transitions. [2023-11-06 21:59:34,945 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 129 transitions. Word has length 153 [2023-11-06 21:59:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:34,946 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 129 transitions. [2023-11-06 21:59:34,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 21:59:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2023-11-06 21:59:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 21:59:34,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:34,952 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:34,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:59:34,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:34,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:34,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1139572331, now seen corresponding path program 1 times [2023-11-06 21:59:34,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:34,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332117645] [2023-11-06 21:59:34,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:34,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:59:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:59:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:59:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:59:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:59:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:59:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:59:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 21:59:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:59:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 21:59:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:59:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 21:59:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 21:59:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 21:59:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 21:59:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 21:59:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 21:59:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 21:59:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 21:59:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 21:59:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:59:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 21:59:35,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:35,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332117645] [2023-11-06 21:59:35,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332117645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:35,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:35,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:59:35,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786122109] [2023-11-06 21:59:35,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:35,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:59:35,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:35,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:59:35,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:59:35,367 INFO L87 Difference]: Start difference. First operand 84 states and 129 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 21:59:35,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:35,517 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2023-11-06 21:59:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:59:35,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2023-11-06 21:59:35,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:35,522 INFO L225 Difference]: With dead ends: 245 [2023-11-06 21:59:35,523 INFO L226 Difference]: Without dead ends: 164 [2023-11-06 21:59:35,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:59:35,526 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 106 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:35,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 426 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:59:35,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-06 21:59:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 138. [2023-11-06 21:59:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 111 states have internal predecessors, (160), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 21:59:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 210 transitions. [2023-11-06 21:59:35,554 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 210 transitions. Word has length 153 [2023-11-06 21:59:35,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:35,556 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 210 transitions. [2023-11-06 21:59:35,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 21:59:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2023-11-06 21:59:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 21:59:35,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:35,561 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:35,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:59:35,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:35,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:35,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2134326611, now seen corresponding path program 1 times [2023-11-06 21:59:35,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:35,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405300681] [2023-11-06 21:59:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:35,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:59:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:59:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:59:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:59:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:59:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:59:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:59:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 21:59:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:59:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 21:59:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:59:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 21:59:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 21:59:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 21:59:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 21:59:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 21:59:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 21:59:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 21:59:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 21:59:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 21:59:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:59:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 21:59:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405300681] [2023-11-06 21:59:38,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405300681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:59:38,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219160980] [2023-11-06 21:59:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:38,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:38,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:38,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:59:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:38,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 21:59:38,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 492 proven. 99 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2023-11-06 21:59:39,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 138 proven. 51 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2023-11-06 21:59:40,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219160980] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:59:40,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:59:40,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 35 [2023-11-06 21:59:40,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324570180] [2023-11-06 21:59:40,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:59:40,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-06 21:59:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:40,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-06 21:59:40,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=935, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 21:59:40,720 INFO L87 Difference]: Start difference. First operand 138 states and 210 transitions. Second operand has 35 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 10 states have call successors, (38), 4 states have call predecessors, (38), 9 states have return successors, (40), 9 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-06 21:59:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:46,476 INFO L93 Difference]: Finished difference Result 569 states and 793 transitions. [2023-11-06 21:59:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-11-06 21:59:46,477 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 10 states have call successors, (38), 4 states have call predecessors, (38), 9 states have return successors, (40), 9 states have call predecessors, (40), 10 states have call successors, (40) Word has length 153 [2023-11-06 21:59:46,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:46,489 INFO L225 Difference]: With dead ends: 569 [2023-11-06 21:59:46,492 INFO L226 Difference]: Without dead ends: 434 [2023-11-06 21:59:46,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2835 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2773, Invalid=8357, Unknown=0, NotChecked=0, Total=11130 [2023-11-06 21:59:46,508 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 981 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 1913 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 1913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:46,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 1224 Invalid, 2361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [448 Valid, 1913 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 21:59:46,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2023-11-06 21:59:46,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 213. [2023-11-06 21:59:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 166 states have internal predecessors, (225), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 21:59:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 305 transitions. [2023-11-06 21:59:46,603 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 305 transitions. Word has length 153 [2023-11-06 21:59:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:46,604 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 305 transitions. [2023-11-06 21:59:46,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 10 states have call successors, (38), 4 states have call predecessors, (38), 9 states have return successors, (40), 9 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-06 21:59:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 305 transitions. [2023-11-06 21:59:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 21:59:46,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:46,613 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:46,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:46,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:46,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:46,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:46,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1204020388, now seen corresponding path program 1 times [2023-11-06 21:59:46,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:46,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858515422] [2023-11-06 21:59:46,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:59:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:59:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:59:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:59:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:59:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:59:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:59:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 21:59:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:59:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 21:59:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:59:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 21:59:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 21:59:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 21:59:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 21:59:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 21:59:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 21:59:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 21:59:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 21:59:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 21:59:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:59:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 21:59:47,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858515422] [2023-11-06 21:59:47,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858515422] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:59:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476762112] [2023-11-06 21:59:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:47,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:47,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:47,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:59:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:47,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:59:47,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-06 21:59:47,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:59:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-06 21:59:48,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476762112] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:59:48,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:59:48,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-06 21:59:48,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292367436] [2023-11-06 21:59:48,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:59:48,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:59:48,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:59:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:59:48,149 INFO L87 Difference]: Start difference. First operand 213 states and 305 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2023-11-06 21:59:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:48,421 INFO L93 Difference]: Finished difference Result 415 states and 583 transitions. [2023-11-06 21:59:48,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 21:59:48,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 154 [2023-11-06 21:59:48,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:48,426 INFO L225 Difference]: With dead ends: 415 [2023-11-06 21:59:48,427 INFO L226 Difference]: Without dead ends: 205 [2023-11-06 21:59:48,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 351 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-06 21:59:48,430 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 175 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:48,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 236 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 21:59:48,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-11-06 21:59:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 195. [2023-11-06 21:59:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.3194444444444444) internal successors, (190), 146 states have internal predecessors, (190), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 21:59:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 270 transitions. [2023-11-06 21:59:48,479 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 270 transitions. Word has length 154 [2023-11-06 21:59:48,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:48,480 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 270 transitions. [2023-11-06 21:59:48,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2023-11-06 21:59:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 270 transitions. [2023-11-06 21:59:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 21:59:48,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:48,483 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:48,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:48,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:48,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:48,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash -850474147, now seen corresponding path program 1 times [2023-11-06 21:59:48,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:48,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302870358] [2023-11-06 21:59:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:48,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 21:59:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 21:59:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 21:59:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:59:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:59:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:59:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:59:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 21:59:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 21:59:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 21:59:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 21:59:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 21:59:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 21:59:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 21:59:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 21:59:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 21:59:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 21:59:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 21:59:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 21:59:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 21:59:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 21:59:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 21:59:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 21:59:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 21:59:48,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:48,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302870358] [2023-11-06 21:59:48,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302870358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:48,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:48,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:59:48,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741455763] [2023-11-06 21:59:48,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:48,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:59:48,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:59:48,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:59:48,906 INFO L87 Difference]: Start difference. First operand 195 states and 270 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 21:59:48,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:48,980 INFO L93 Difference]: Finished difference Result 419 states and 590 transitions. [2023-11-06 21:59:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:59:48,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2023-11-06 21:59:48,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:48,984 INFO L225 Difference]: With dead ends: 419 [2023-11-06 21:59:48,984 INFO L226 Difference]: Without dead ends: 264 [2023-11-06 21:59:48,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:59:48,986 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 40 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:48,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 247 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:48,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-06 21:59:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 234. [2023-11-06 21:59:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 183 states have (on average 1.3442622950819672) internal successors, (246), 185 states have internal predecessors, (246), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 21:59:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 326 transitions. [2023-11-06 21:59:49,033 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 326 transitions. Word has length 154 [2023-11-06 21:59:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:49,034 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 326 transitions. [2023-11-06 21:59:49,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 21:59:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 326 transitions. [2023-11-06 21:59:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 21:59:49,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:49,037 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:49,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:59:49,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:49,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:49,038 INFO L85 PathProgramCache]: Analyzing trace with hash 756062771, now seen corresponding path program 1 times [2023-11-06 21:59:49,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:49,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776362006] [2023-11-06 21:59:49,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:49,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:49,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:59:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:49,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:59:49,417 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:59:49,418 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:59:49,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:59:49,424 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 21:59:49,430 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:59:49,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:49 BoogieIcfgContainer [2023-11-06 21:59:49,602 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:59:49,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:59:49,603 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:59:49,603 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:59:49,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:33" (3/4) ... [2023-11-06 21:59:49,607 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:59:49,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:59:49,609 INFO L158 Benchmark]: Toolchain (without parser) took 17193.88ms. Allocated memory was 132.1MB in the beginning and 249.6MB in the end (delta: 117.4MB). Free memory was 88.2MB in the beginning and 120.5MB in the end (delta: -32.4MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2023-11-06 21:59:49,609 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:49,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.47ms. Allocated memory is still 132.1MB. Free memory was 88.2MB in the beginning and 72.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:59:49,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.50ms. Allocated memory is still 132.1MB. Free memory was 72.2MB in the beginning and 67.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:49,611 INFO L158 Benchmark]: Boogie Preprocessor took 142.70ms. Allocated memory is still 132.1MB. Free memory was 67.1MB in the beginning and 102.8MB in the end (delta: -35.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-06 21:59:49,611 INFO L158 Benchmark]: RCFGBuilder took 872.74ms. Allocated memory is still 132.1MB. Free memory was 102.8MB in the beginning and 74.2MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 21:59:49,611 INFO L158 Benchmark]: TraceAbstraction took 15610.28ms. Allocated memory was 132.1MB in the beginning and 249.6MB in the end (delta: 117.4MB). Free memory was 73.4MB in the beginning and 120.5MB in the end (delta: -47.1MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-11-06 21:59:49,612 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 249.6MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:49,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.47ms. Allocated memory is still 132.1MB. Free memory was 88.2MB in the beginning and 72.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.50ms. Allocated memory is still 132.1MB. Free memory was 72.2MB in the beginning and 67.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.70ms. Allocated memory is still 132.1MB. Free memory was 67.1MB in the beginning and 102.8MB in the end (delta: -35.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * RCFGBuilder took 872.74ms. Allocated memory is still 132.1MB. Free memory was 102.8MB in the beginning and 74.2MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15610.28ms. Allocated memory was 132.1MB in the beginning and 249.6MB in the end (delta: 117.4MB). Free memory was 73.4MB in the beginning and 120.5MB in the end (delta: -47.1MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 249.6MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryArithmeticDOUBLEoperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned short int var_1_5 = 34011; [L26] unsigned short int var_1_6 = 2; [L27] signed short int var_1_7 = -4; [L28] signed long int var_1_9 = -4; [L29] unsigned short int var_1_10 = 4; [L30] double var_1_12 = 1.8; [L31] double var_1_13 = 49.5; [L32] double var_1_14 = 0.0; [L33] double var_1_15 = 8.5; [L34] unsigned long int var_1_16 = 4; [L35] float var_1_17 = 3.65; [L36] unsigned char var_1_18 = 0; [L37] signed long int var_1_19 = 32; [L38] signed long int var_1_20 = 1000000000; [L39] signed long int var_1_21 = 1141305717; [L40] unsigned char var_1_22 = 50; [L41] unsigned char var_1_23 = 0; [L42] unsigned short int var_1_24 = 2; [L43] signed short int var_1_25 = -16; [L44] double var_1_26 = 15.6; [L45] double var_1_27 = 4.25; [L46] unsigned long int var_1_28 = 10; [L47] unsigned char last_1_var_1_22 = 50; VAL [isInitial=0, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=1, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L176] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=1, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L138] var_1_2 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L139] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L140] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L140] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=0, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L141] var_1_3 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L142] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L143] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L143] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=34011, var_1_6=2, var_1_7=-4, var_1_9=-4] [L144] var_1_5 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_5 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=2, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=2, var_1_7=-4, var_1_9=-4] [L145] RET assume_abort_if_not(var_1_5 >= 32767) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=2, var_1_7=-4, var_1_9=-4] [L146] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=2, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=2, var_1_7=-4, var_1_9=-4] [L146] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=2, var_1_7=-4, var_1_9=-4] [L147] var_1_6 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L148] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L149] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L149] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=99/2, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L150] var_1_13 = __VERIFIER_nondet_double() [L151] 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_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L151] 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_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=0, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L152] var_1_14 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L153] RET assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=17/2, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L154] var_1_15 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L155] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=0, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L156] var_1_18 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L157] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L158] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L158] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1000000000, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L159] var_1_20 = __VERIFIER_nondet_long() [L160] CALL assume_abort_if_not(var_1_20 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L160] RET assume_abort_if_not(var_1_20 >= 536870911) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L161] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L161] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=1141305717, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L162] var_1_21 = __VERIFIER_nondet_long() [L163] CALL assume_abort_if_not(var_1_21 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L163] RET assume_abort_if_not(var_1_21 >= 1073741822) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L164] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L164] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=0, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L165] var_1_23 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L166] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L167] CALL assume_abort_if_not(var_1_23 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L167] RET assume_abort_if_not(var_1_23 <= 254) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=78/5, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L168] var_1_26 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L169] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L170] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L170] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=17/4, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L171] var_1_27 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_27 >= -922337.2036854776000e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854776000e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L172] RET assume_abort_if_not((var_1_27 >= -922337.2036854776000e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854776000e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L173] CALL assume_abort_if_not(var_1_27 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L173] RET assume_abort_if_not(var_1_27 != 0.0F) VAL [isInitial=1, last_1_var_1_22=50, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=-4] [L187] RET updateVariables() [L188] CALL step() [L51] var_1_9 = (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) - last_1_var_1_22) [L52] unsigned char stepLocal_2 = var_1_18; VAL [isInitial=1, last_1_var_1_22=50, stepLocal_2=1, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=50, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=0] [L53] COND TRUE stepLocal_2 || ((var_1_6 == var_1_9) || (var_1_2 && var_1_3)) [L54] var_1_22 = var_1_23 VAL [isInitial=1, last_1_var_1_22=50, stepLocal_2=1, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=2, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=0] [L58] COND TRUE var_1_2 || var_1_3 [L59] var_1_1 = ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_2=1, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=-4, var_1_9=0] [L63] COND FALSE !(var_1_22 <= (- 500)) [L68] var_1_7 = var_1_22 VAL [isInitial=1, last_1_var_1_22=50, stepLocal_2=1, var_1_10=4, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L70] var_1_10 = (var_1_5 - (var_1_22 + 1000)) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_2=1, var_1_10=31513, var_1_12=9/5, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L71] COND FALSE !(! var_1_3) [L74] var_1_12 = (var_1_14 - var_1_13) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L76] unsigned char stepLocal_0 = var_1_22; VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L77] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=4, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L80] COND TRUE ((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22))) <= stepLocal_0 [L81] var_1_16 = 128u VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_17=73/20, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L86] COND TRUE \read(var_1_18) [L87] var_1_17 = (((((var_1_14) < (255.4f)) ? (var_1_14) : (255.4f))) + var_1_13) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=10, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L99] var_1_28 = var_1_21 VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=2, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L100] COND TRUE ! ((! var_1_3) && var_1_18) [L101] var_1_24 = ((((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) < (var_1_28)) ? (((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) : (var_1_28))) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L107] unsigned short int stepLocal_4 = var_1_24; [L108] unsigned short int stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, stepLocal_3=31513, stepLocal_4=254, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L109] COND FALSE !(((var_1_14 - var_1_13) / ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27)))) >= var_1_15) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_2=1, stepLocal_3=31513, stepLocal_4=254, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L122] unsigned char stepLocal_1 = var_1_22; VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_1=254, stepLocal_2=1, stepLocal_3=31513, stepLocal_4=254, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L123] COND TRUE var_1_24 >= stepLocal_1 VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_1=254, stepLocal_2=1, stepLocal_3=31513, stepLocal_4=254, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=32, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L124] COND TRUE ! var_1_2 [L125] var_1_19 = (var_1_22 - (var_1_22 + (var_1_20 - 5))) VAL [isInitial=1, last_1_var_1_22=50, stepLocal_0=254, stepLocal_1=254, stepLocal_2=1, stepLocal_3=31513, stepLocal_4=254, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=-1073741818, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L188] RET step() [L189] CALL, EXPR property() [L179] EXPR (((((((((((var_1_2 || var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_22)) < (var_1_22)) ? ((var_1_5 - var_1_22)) : (var_1_22)))))) && ((var_1_22 <= (- 500)) ? (var_1_2 ? (var_1_7 == ((signed short int) (var_1_22 - 64))) : 1) : (var_1_7 == ((signed short int) var_1_22)))) && (var_1_9 == ((signed long int) (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) - last_1_var_1_22)))) && (var_1_10 == ((unsigned short int) (var_1_5 - (var_1_22 + 1000))))) && ((! var_1_3) ? (var_1_12 == ((double) ((var_1_13 - (var_1_14 - 63.5)) + var_1_15))) : (var_1_12 == ((double) (var_1_14 - var_1_13))))) && (var_1_2 ? (var_1_16 == ((unsigned long int) (var_1_9 + 200u))) : ((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22))) <= var_1_22) ? (var_1_16 == ((unsigned long int) 128u)) : (var_1_16 == ((unsigned long int) var_1_22))))) && (var_1_18 ? (var_1_17 == ((float) (((((var_1_14) < (255.4f)) ? (var_1_14) : (255.4f))) + var_1_13))) : (var_1_3 ? (var_1_2 ? (var_1_17 == ((float) var_1_15)) : (var_1_17 == ((float) 0.050000000000000044f))) : (var_1_17 == ((float) var_1_13))))) && ((var_1_24 >= var_1_22) ? ((! var_1_2) ? (var_1_19 == ((signed long int) (var_1_22 - (var_1_22 + (var_1_20 - 5))))) : (var_1_2 ? (var_1_18 ? (var_1_19 == ((signed long int) ((var_1_21 - ((((var_1_20) > (var_1_22)) ? (var_1_20) : (var_1_22)))) - (var_1_22 + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))) : 1) : 1)) : (var_1_19 == ((signed long int) var_1_20)))) && ((var_1_18 || ((var_1_6 == var_1_9) || (var_1_2 && var_1_3))) ? (var_1_22 == ((unsigned char) var_1_23)) : (var_1_22 == ((unsigned char) var_1_23)))) && ((! ((! var_1_3) && var_1_18)) ? (var_1_24 == ((unsigned short int) ((((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) < (var_1_28)) ? (((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) : (var_1_28))))) : ((var_1_22 < ((var_1_5 - var_1_23) * 32)) ? (var_1_24 == ((unsigned short int) var_1_22)) : 1))) && ((((var_1_14 - var_1_13) / ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27)))) >= var_1_15) ? ((var_1_14 >= var_1_13) ? (((var_1_22 << var_1_22) <= var_1_24) ? (var_1_25 == ((signed short int) (((((var_1_22) < (var_1_16)) ? (var_1_22) : (var_1_16))) - var_1_23))) : (var_1_25 == ((signed short int) (var_1_16 + var_1_23)))) : ((var_1_5 == var_1_10) ? (var_1_25 == ((signed short int) var_1_16)) : 1)) : 1) VAL [(((((((((((var_1_2 || var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_22)) < (var_1_22)) ? ((var_1_5 - var_1_22)) : (var_1_22)))))) && ((var_1_22 <= (- 500)) ? (var_1_2 ? (var_1_7 == ((signed short int) (var_1_22 - 64))) : 1) : (var_1_7 == ((signed short int) var_1_22)))) && (var_1_9 == ((signed long int) (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) - last_1_var_1_22)))) && (var_1_10 == ((unsigned short int) (var_1_5 - (var_1_22 + 1000))))) && ((! var_1_3) ? (var_1_12 == ((double) ((var_1_13 - (var_1_14 - 63.5)) + var_1_15))) : (var_1_12 == ((double) (var_1_14 - var_1_13))))) && (var_1_2 ? (var_1_16 == ((unsigned long int) (var_1_9 + 200u))) : ((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22))) <= var_1_22) ? (var_1_16 == ((unsigned long int) 128u)) : (var_1_16 == ((unsigned long int) var_1_22))))) && (var_1_18 ? (var_1_17 == ((float) (((((var_1_14) < (255.4f)) ? (var_1_14) : (255.4f))) + var_1_13))) : (var_1_3 ? (var_1_2 ? (var_1_17 == ((float) var_1_15)) : (var_1_17 == ((float) 0.050000000000000044f))) : (var_1_17 == ((float) var_1_13))))) && ((var_1_24 >= var_1_22) ? ((! var_1_2) ? (var_1_19 == ((signed long int) (var_1_22 - (var_1_22 + (var_1_20 - 5))))) : (var_1_2 ? (var_1_18 ? (var_1_19 == ((signed long int) ((var_1_21 - ((((var_1_20) > (var_1_22)) ? (var_1_20) : (var_1_22)))) - (var_1_22 + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))) : 1) : 1)) : (var_1_19 == ((signed long int) var_1_20)))) && ((var_1_18 || ((var_1_6 == var_1_9) || (var_1_2 && var_1_3))) ? (var_1_22 == ((unsigned char) var_1_23)) : (var_1_22 == ((unsigned char) var_1_23)))) && ((! ((! var_1_3) && var_1_18)) ? (var_1_24 == ((unsigned short int) ((((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) < (var_1_28)) ? (((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) : (var_1_28))))) : ((var_1_22 < ((var_1_5 - var_1_23) * 32)) ? (var_1_24 == ((unsigned short int) var_1_22)) : 1))) && ((((var_1_14 - var_1_13) / ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27)))) >= var_1_15) ? ((var_1_14 >= var_1_13) ? (((var_1_22 << var_1_22) <= var_1_24) ? (var_1_25 == ((signed short int) (((((var_1_22) < (var_1_16)) ? (var_1_22) : (var_1_16))) - var_1_23))) : (var_1_25 == ((signed short int) (var_1_16 + var_1_23)))) : ((var_1_5 == var_1_10) ? (var_1_25 == ((signed short int) var_1_16)) : 1)) : 1)=0, isInitial=1, last_1_var_1_22=50, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=-1073741818, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L179-L180] return ((((((((((((var_1_2 || var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_22)) < (var_1_22)) ? ((var_1_5 - var_1_22)) : (var_1_22)))))) && ((var_1_22 <= (- 500)) ? (var_1_2 ? (var_1_7 == ((signed short int) (var_1_22 - 64))) : 1) : (var_1_7 == ((signed short int) var_1_22)))) && (var_1_9 == ((signed long int) (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) - last_1_var_1_22)))) && (var_1_10 == ((unsigned short int) (var_1_5 - (var_1_22 + 1000))))) && ((! var_1_3) ? (var_1_12 == ((double) ((var_1_13 - (var_1_14 - 63.5)) + var_1_15))) : (var_1_12 == ((double) (var_1_14 - var_1_13))))) && (var_1_2 ? (var_1_16 == ((unsigned long int) (var_1_9 + 200u))) : ((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22))) <= var_1_22) ? (var_1_16 == ((unsigned long int) 128u)) : (var_1_16 == ((unsigned long int) var_1_22))))) && (var_1_18 ? (var_1_17 == ((float) (((((var_1_14) < (255.4f)) ? (var_1_14) : (255.4f))) + var_1_13))) : (var_1_3 ? (var_1_2 ? (var_1_17 == ((float) var_1_15)) : (var_1_17 == ((float) 0.050000000000000044f))) : (var_1_17 == ((float) var_1_13))))) && ((var_1_24 >= var_1_22) ? ((! var_1_2) ? (var_1_19 == ((signed long int) (var_1_22 - (var_1_22 + (var_1_20 - 5))))) : (var_1_2 ? (var_1_18 ? (var_1_19 == ((signed long int) ((var_1_21 - ((((var_1_20) > (var_1_22)) ? (var_1_20) : (var_1_22)))) - (var_1_22 + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))) : 1) : 1)) : (var_1_19 == ((signed long int) var_1_20)))) && ((var_1_18 || ((var_1_6 == var_1_9) || (var_1_2 && var_1_3))) ? (var_1_22 == ((unsigned char) var_1_23)) : (var_1_22 == ((unsigned char) var_1_23)))) && ((! ((! var_1_3) && var_1_18)) ? (var_1_24 == ((unsigned short int) ((((((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) < (var_1_28)) ? (((((var_1_22) < (var_1_22)) ? (var_1_22) : (var_1_22)))) : (var_1_28))))) : ((var_1_22 < ((var_1_5 - var_1_23) * 32)) ? (var_1_24 == ((unsigned short int) var_1_22)) : 1))) && ((((var_1_14 - var_1_13) / ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27)))) >= var_1_15) ? ((var_1_14 >= var_1_13) ? (((var_1_22 << var_1_22) <= var_1_24) ? (var_1_25 == ((signed short int) (((((var_1_22) < (var_1_16)) ? (var_1_22) : (var_1_16))) - var_1_23))) : (var_1_25 == ((signed short int) (var_1_16 + var_1_23)))) : ((var_1_5 == var_1_10) ? (var_1_25 == ((signed short int) var_1_16)) : 1)) : 1)) && (var_1_28 == ((unsigned long int) var_1_21)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=50, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=-1073741818, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=50, var_1_10=31513, var_1_13=2147483653, var_1_14=2147483652, var_1_15=2147483651, var_1_16=128, var_1_18=1, var_1_19=-1073741818, var_1_1=254, var_1_20=1073741823, var_1_21=2147483646, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=-16, var_1_26=2147483654, var_1_27=2147483655, var_1_28=2147483646, var_1_2=0, var_1_3=1, var_1_5=32767, var_1_6=0, var_1_7=254, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 6, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1306 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1302 mSDsluCounter, 2262 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1515 mSDsCounter, 485 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2110 IncrementalHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 485 mSolverCounterUnsat, 747 mSDtfsCounter, 2110 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 978 GetRequests, 860 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2840 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=5, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 287 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1229 NumberOfCodeBlocks, 1229 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1372 ConstructedInterpolants, 0 QuantifiedInterpolants, 4568 SizeOfPredicates, 19 NumberOfNonLiveVariables, 736 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 8775/9108 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 [2023-11-06 21:59:49,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 2d3e3fe1097eb5cc161ed209d4e6f9c5a89785e619e27e5f9e0923413431f0b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:52,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:52,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:59:52,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:52,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:52,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:52,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:52,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:52,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:52,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:52,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:52,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:52,525 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:52,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:52,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:52,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:52,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:52,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:52,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:52,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:52,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:52,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:59:52,537 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:59:52,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:59:52,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:52,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:52,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:52,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:52,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:52,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:52,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:52,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:52,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:52,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:52,543 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:59:52,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:59:52,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:52,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:52,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:52,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:52,546 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:59:52,547 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:52,547 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_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3e3fe1097eb5cc161ed209d4e6f9c5a89785e619e27e5f9e0923413431f0b1 [2023-11-06 21:59:53,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:53,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:53,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:53,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:53,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:53,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i [2023-11-06 21:59:56,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:57,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:57,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i [2023-11-06 21:59:57,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data/9590a48df/729b098d27634797b03794a4fd423d17/FLAGcb16531f9 [2023-11-06 21:59:57,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/data/9590a48df/729b098d27634797b03794a4fd423d17 [2023-11-06 21:59:57,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:57,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:57,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:57,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:57,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:57,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbfa257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57, skipping insertion in model container [2023-11-06 21:59:57,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:57,437 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_79fbd541-beb8-41e3-8eff-5a47ddb87a20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i[915,928] [2023-11-06 21:59:57,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:57,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:57,559 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_79fbd541-beb8-41e3-8eff-5a47ddb87a20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-6.i[915,928] [2023-11-06 21:59:57,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:57,635 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:57,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57 WrapperNode [2023-11-06 21:59:57,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:57,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:57,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:57,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:57,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,812 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-11-06 21:59:57,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:57,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:57,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:57,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:57,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:57,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:57,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:57,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:57,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (1/1) ... [2023-11-06 21:59:57,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:57,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:57,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:57,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:59:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:58,112 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:58,115 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:00:08,720 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:00:08,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:00:08,730 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:00:08,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:08 BoogieIcfgContainer [2023-11-06 22:00:08,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:00:08,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:00:08,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:00:08,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:00:08,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:57" (1/3) ... [2023-11-06 22:00:08,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd6326b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:08, skipping insertion in model container [2023-11-06 22:00:08,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:57" (2/3) ... [2023-11-06 22:00:08,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd6326b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:08, skipping insertion in model container [2023-11-06 22:00:08,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:08" (3/3) ... [2023-11-06 22:00:08,748 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-6.i [2023-11-06 22:00:08,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:00:08,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:00:08,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:00:08,877 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=LoopsAndPotentialCycles, 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;@4513af9b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:00:08,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:00:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:00:08,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:00:08,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:08,910 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:00:08,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:08,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:08,926 INFO L85 PathProgramCache]: Analyzing trace with hash 699911681, now seen corresponding path program 1 times [2023-11-06 22:00:08,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:08,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774561849] [2023-11-06 22:00:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:08,947 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 [2023-11-06 22:00:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:08,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:00:08,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:00:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:10,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:00:10,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-06 22:00:10,920 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:00:10,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:00:10,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774561849] [2023-11-06 22:00:10,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774561849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:10,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:10,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:00:10,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730226223] [2023-11-06 22:00:10,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:10,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:00:10,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:00:10,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:00:10,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:00:10,973 INFO L87 Difference]: Start difference. First operand has 80 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:00:11,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:00:11,015 INFO L93 Difference]: Finished difference Result 152 states and 265 transitions. [2023-11-06 22:00:11,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:00:11,019 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-06 22:00:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:00:11,035 INFO L225 Difference]: With dead ends: 152 [2023-11-06 22:00:11,035 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 22:00:11,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:00:11,045 INFO L413 NwaCegarLoop]: 115 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, 115 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 [2023-11-06 22:00:11,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:00:11,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 22:00:11,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-06 22:00:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:00:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 115 transitions. [2023-11-06 22:00:11,130 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 115 transitions. Word has length 151 [2023-11-06 22:00:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:00:11,131 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 115 transitions. [2023-11-06 22:00:11,131 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:00:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-06 22:00:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:00:11,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:11,138 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:00:11,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:00:11,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:00:11,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:11,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:11,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1318276027, now seen corresponding path program 1 times [2023-11-06 22:00:11,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:11,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764840354] [2023-11-06 22:00:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:11,359 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 [2023-11-06 22:00:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:11,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:00:11,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:00:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:13,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:00:13,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:00:13,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:00:13,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:00:13,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764840354] [2023-11-06 22:00:13,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764840354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:13,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:13,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:00:13,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857155] [2023-11-06 22:00:13,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:13,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:00:13,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:00:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:00:13,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:00:13,393 INFO L87 Difference]: Start difference. First operand 75 states and 115 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:00:15,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:17,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:23,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:25,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:27,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:29,469 WARN L539 Checker$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 [] [2023-11-06 22:00:29,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:00:29,846 INFO L93 Difference]: Finished difference Result 209 states and 314 transitions. [2023-11-06 22:00:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:00:29,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-11-06 22:00:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:00:29,852 INFO L225 Difference]: With dead ends: 209 [2023-11-06 22:00:29,853 INFO L226 Difference]: Without dead ends: 137 [2023-11-06 22:00:29,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:00:29,859 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 105 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:00:29,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 279 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 6 Unknown, 0 Unchecked, 16.4s Time] [2023-11-06 22:00:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-06 22:00:29,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2023-11-06 22:00:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 92 states have internal predecessors, (130), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:00:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 180 transitions. [2023-11-06 22:00:29,920 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 180 transitions. Word has length 151 [2023-11-06 22:00:29,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:00:29,925 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 180 transitions. [2023-11-06 22:00:29,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:00:29,926 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2023-11-06 22:00:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:00:29,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:29,935 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:00:29,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:00:30,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:00:30,149 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:30,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:30,150 INFO L85 PathProgramCache]: Analyzing trace with hash 307158777, now seen corresponding path program 1 times [2023-11-06 22:00:30,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:30,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227236808] [2023-11-06 22:00:30,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:30,151 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 [2023-11-06 22:00:30,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:30,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:00:30,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:00:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:31,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:00:31,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-06 22:00:33,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:00:35,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:00:35,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227236808] [2023-11-06 22:00:35,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227236808] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:00:35,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [213361919] [2023-11-06 22:00:35,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:35,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:00:35,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:00:35,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:00:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-06 22:00:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:40,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:00:40,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-06 22:00:41,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:00:42,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [213361919] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:00:42,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:00:42,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2023-11-06 22:00:42,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156937774] [2023-11-06 22:00:42,197 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:00:42,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:00:42,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:00:42,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:00:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:00:42,200 INFO L87 Difference]: Start difference. First operand 119 states and 180 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:00:48,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:50,738 WARN L539 Checker$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] [2023-11-06 22:00:52,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:54,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:56,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:58,780 WARN L539 Checker$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 [] [2023-11-06 22:01:00,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:02,806 WARN L539 Checker$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] [2023-11-06 22:01:04,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:06,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:01:13,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:13,258 INFO L93 Difference]: Finished difference Result 390 states and 570 transitions. [2023-11-06 22:01:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:01:13,259 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-06 22:01:13,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:13,267 INFO L225 Difference]: With dead ends: 390 [2023-11-06 22:01:13,267 INFO L226 Difference]: Without dead ends: 274 [2023-11-06 22:01:13,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:01:13,271 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 227 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 97 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:13,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 733 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 610 Invalid, 10 Unknown, 0 Unchecked, 28.6s Time] [2023-11-06 22:01:13,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-06 22:01:13,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 186. [2023-11-06 22:01:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 131 states have (on average 1.3358778625954197) internal successors, (175), 133 states have internal predecessors, (175), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:01:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 271 transitions. [2023-11-06 22:01:13,379 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 271 transitions. Word has length 151 [2023-11-06 22:01:13,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:13,381 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 271 transitions. [2023-11-06 22:01:13,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:01:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 271 transitions. [2023-11-06 22:01:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:01:13,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:13,390 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:13,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:13,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:13,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:01:13,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:13,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash -955113986, now seen corresponding path program 1 times [2023-11-06 22:01:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:13,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001658152] [2023-11-06 22:01:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:13,813 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 [2023-11-06 22:01:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:13,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:01:13,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 (6)] Waiting until timeout for monitored process [2023-11-06 22:01:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:15,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:01:15,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-06 22:01:17,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:01:18,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:01:18,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001658152] [2023-11-06 22:01:18,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001658152] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:01:18,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1226229735] [2023-11-06 22:01:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:18,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:01:18,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:01:18,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:01:18,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-06 22:01:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:22,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:01:22,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-06 22:01:27,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:01:29,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1226229735] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:01:29,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:01:29,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-11-06 22:01:29,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42434528] [2023-11-06 22:01:29,725 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:01:29,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:01:29,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:01:29,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:01:29,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:01:29,729 INFO L87 Difference]: Start difference. First operand 186 states and 271 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 4 states have call successors, (46), 4 states have call predecessors, (46), 6 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 22:01:35,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:37,728 WARN L539 Checker$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 [] [2023-11-06 22:01:39,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:41,742 WARN L539 Checker$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 [] [2023-11-06 22:01:43,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:45,764 WARN L539 Checker$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 [] [2023-11-06 22:01:47,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:49,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:50,825 INFO L93 Difference]: Finished difference Result 398 states and 572 transitions. [2023-11-06 22:01:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:01:50,826 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 4 states have call successors, (46), 4 states have call predecessors, (46), 6 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 152 [2023-11-06 22:01:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:50,831 INFO L225 Difference]: With dead ends: 398 [2023-11-06 22:01:50,831 INFO L226 Difference]: Without dead ends: 215 [2023-11-06 22:01:50,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:01:50,836 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 108 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 21 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:50,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 303 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 283 Invalid, 8 Unknown, 0 Unchecked, 20.2s Time] [2023-11-06 22:01:50,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-06 22:01:50,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 180. [2023-11-06 22:01:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 123 states have (on average 1.2845528455284554) internal successors, (158), 125 states have internal predecessors, (158), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:01:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 254 transitions. [2023-11-06 22:01:50,870 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 254 transitions. Word has length 152 [2023-11-06 22:01:50,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:50,871 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 254 transitions. [2023-11-06 22:01:50,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 4 states have call successors, (46), 4 states have call predecessors, (46), 6 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 22:01:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 254 transitions. [2023-11-06 22:01:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:01:50,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:50,875 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:50,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:51,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 (6)] Ended with exit code 0 [2023-11-06 22:01:51,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:01:51,293 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:51,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:51,294 INFO L85 PathProgramCache]: Analyzing trace with hash 371347901, now seen corresponding path program 1 times [2023-11-06 22:01:51,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:51,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746283877] [2023-11-06 22:01:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:51,295 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 [2023-11-06 22:01:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:51,296 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:01:51,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 (8)] Waiting until timeout for monitored process [2023-11-06 22:01:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:52,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:01:52,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-06 22:01:53,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:53,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:01:53,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746283877] [2023-11-06 22:01:53,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746283877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:53,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:53,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:01:53,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869809537] [2023-11-06 22:01:53,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:53,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:01:53,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:01:53,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:01:53,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:01:53,018 INFO L87 Difference]: Start difference. First operand 180 states and 254 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:01:56,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:58,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:01:58,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:58,481 INFO L93 Difference]: Finished difference Result 354 states and 505 transitions. [2023-11-06 22:01:58,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:01:58,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-06 22:01:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:58,782 INFO L225 Difference]: With dead ends: 354 [2023-11-06 22:01:58,782 INFO L226 Difference]: Without dead ends: 230 [2023-11-06 22:01:58,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:01:58,784 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 26 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:58,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 206 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:01:58,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-06 22:01:58,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 216. [2023-11-06 22:01:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 161 states have internal predecessors, (208), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:01:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2023-11-06 22:01:58,817 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 152 [2023-11-06 22:01:58,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:58,818 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2023-11-06 22:01:58,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-06 22:01:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2023-11-06 22:01:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:01:58,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:58,821 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:01:58,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:59,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:01:59,035 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:59,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash -541993697, now seen corresponding path program 1 times [2023-11-06 22:01:59,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:59,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785036992] [2023-11-06 22:01:59,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:59,037 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 [2023-11-06 22:01:59,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:59,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:01:59,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79fbd541-beb8-41e3-8eff-5a47ddb87a20/bin/uautomizer-verify-WvqO1wxjHP/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 (9)] Waiting until timeout for monitored process [2023-11-06 22:02:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:00,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:02:00,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:28,044 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)