./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:40:09,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:40:09,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 20:40:09,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:40:09,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:40:09,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:40:09,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:40:09,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:40:09,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:40:09,398 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:40:09,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:40:09,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:40:09,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:40:09,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:40:09,401 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:40:09,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:40:09,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:40:09,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:40:09,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:40:09,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:40:09,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:40:09,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:40:09,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:40:09,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:40:09,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:40:09,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:40:09,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:40:09,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:40:09,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:40:09,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:40:09,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:40:09,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:40:09,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:40:09,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:40:09,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:40:09,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:40:09,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:40:09,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:40:09,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:40:09,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:40:09,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:40:09,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:40:09,412 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_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2023-11-28 20:40:09,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:40:09,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:40:09,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:40:09,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:40:09,663 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:40:09,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2023-11-28 20:40:12,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:40:12,663 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:40:12,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2023-11-28 20:40:12,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data/ca53754c6/5433b27af61e410c8780d97576dabab5/FLAG936c944e1 [2023-11-28 20:40:12,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data/ca53754c6/5433b27af61e410c8780d97576dabab5 [2023-11-28 20:40:12,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:40:12,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:40:12,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:40:12,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:40:12,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:40:12,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:40:12" (1/1) ... [2023-11-28 20:40:12,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbf64d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:12, skipping insertion in model container [2023-11-28 20:40:12,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:40:12" (1/1) ... [2023-11-28 20:40:12,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:40:12,886 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_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2023-11-28 20:40:12,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:40:12,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:40:12,992 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_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2023-11-28 20:40:13,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:40:13,056 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:40:13,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13 WrapperNode [2023-11-28 20:40:13,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:40:13,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:40:13,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:40:13,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:40:13,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,131 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 363 [2023-11-28 20:40:13,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:40:13,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:40:13,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:40:13,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:40:13,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,172 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 20:40:13,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:40:13,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:40:13,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:40:13,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:40:13,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (1/1) ... [2023-11-28 20:40:13,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:40:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:13,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:40:13,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:40:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:40:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:40:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:40:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:40:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:40:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:40:13,375 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:40:13,377 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:40:13,923 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:40:13,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:40:13,959 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:40:13,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:40:13 BoogieIcfgContainer [2023-11-28 20:40:13,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:40:13,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:40:13,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:40:13,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:40:13,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:40:12" (1/3) ... [2023-11-28 20:40:13,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aac00f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:40:13, skipping insertion in model container [2023-11-28 20:40:13,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:40:13" (2/3) ... [2023-11-28 20:40:13,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aac00f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:40:13, skipping insertion in model container [2023-11-28 20:40:13,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:40:13" (3/3) ... [2023-11-28 20:40:13,968 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2023-11-28 20:40:13,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:40:13,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:40:14,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:40:14,048 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8b9c5c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:40:14,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:40:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 100 states have (on average 1.55) internal successors, (155), 101 states have internal predecessors, (155), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 20:40:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-28 20:40:14,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:14,071 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:14,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:14,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash -230921633, now seen corresponding path program 1 times [2023-11-28 20:40:14,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339294198] [2023-11-28 20:40:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:14,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:14,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:14,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339294198] [2023-11-28 20:40:14,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-28 20:40:14,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200048739] [2023-11-28 20:40:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:14,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:14,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:14,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:14,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:40:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:14,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 20:40:14,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 3042 trivial. 0 not checked. [2023-11-28 20:40:14,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:40:14,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200048739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:40:14,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:40:14,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:40:14,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058834730] [2023-11-28 20:40:14,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:40:14,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:40:14,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:14,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:40:14,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:40:14,670 INFO L87 Difference]: Start difference. First operand has 143 states, 100 states have (on average 1.55) internal successors, (155), 101 states have internal predecessors, (155), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-28 20:40:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:14,726 INFO L93 Difference]: Finished difference Result 285 states and 509 transitions. [2023-11-28 20:40:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:40:14,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 265 [2023-11-28 20:40:14,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:14,738 INFO L225 Difference]: With dead ends: 285 [2023-11-28 20:40:14,739 INFO L226 Difference]: Without dead ends: 141 [2023-11-28 20:40:14,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:40:14,747 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:14,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:40:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-28 20:40:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-28 20:40:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 99 states have (on average 1.5151515151515151) internal successors, (150), 99 states have internal predecessors, (150), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 20:40:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 230 transitions. [2023-11-28 20:40:14,808 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 230 transitions. Word has length 265 [2023-11-28 20:40:14,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:14,809 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 230 transitions. [2023-11-28 20:40:14,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-28 20:40:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 230 transitions. [2023-11-28 20:40:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-28 20:40:14,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:14,816 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:14,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:40:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:15,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:15,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 182594467, now seen corresponding path program 1 times [2023-11-28 20:40:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502223128] [2023-11-28 20:40:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:15,096 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473801751] [2023-11-28 20:40:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:15,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:15,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:15,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 20:40:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:15,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:40:15,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-28 20:40:15,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:16,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:16,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502223128] [2023-11-28 20:40:16,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:16,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473801751] [2023-11-28 20:40:16,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473801751] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:16,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:16,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-28 20:40:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778960728] [2023-11-28 20:40:16,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:16,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:40:16,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:16,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:40:16,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:40:16,090 INFO L87 Difference]: Start difference. First operand 141 states and 230 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-28 20:40:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:16,495 INFO L93 Difference]: Finished difference Result 287 states and 464 transitions. [2023-11-28 20:40:16,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:40:16,496 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 265 [2023-11-28 20:40:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:16,500 INFO L225 Difference]: With dead ends: 287 [2023-11-28 20:40:16,501 INFO L226 Difference]: Without dead ends: 147 [2023-11-28 20:40:16,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:40:16,504 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 220 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:16,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 377 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:40:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-28 20:40:16,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2023-11-28 20:40:16,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 102 states have (on average 1.4215686274509804) internal successors, (145), 102 states have internal predecessors, (145), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 20:40:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 225 transitions. [2023-11-28 20:40:16,530 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 225 transitions. Word has length 265 [2023-11-28 20:40:16,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:16,531 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 225 transitions. [2023-11-28 20:40:16,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-28 20:40:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-11-28 20:40:16,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-28 20:40:16,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:16,538 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:16,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 20:40:16,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-28 20:40:16,738 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:16,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:16,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1195526066, now seen corresponding path program 1 times [2023-11-28 20:40:16,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:16,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636197031] [2023-11-28 20:40:16,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:16,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:16,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:16,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836886288] [2023-11-28 20:40:16,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:16,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:16,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:16,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 20:40:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:40:16,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2023-11-28 20:40:17,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:17,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:17,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636197031] [2023-11-28 20:40:17,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:17,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836886288] [2023-11-28 20:40:17,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836886288] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:17,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:17,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-28 20:40:17,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479505392] [2023-11-28 20:40:17,582 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:17,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:40:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:17,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:40:17,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:40:17,586 INFO L87 Difference]: Start difference. First operand 145 states and 225 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-11-28 20:40:18,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:18,138 INFO L93 Difference]: Finished difference Result 449 states and 687 transitions. [2023-11-28 20:40:18,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-28 20:40:18,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 266 [2023-11-28 20:40:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:18,144 INFO L225 Difference]: With dead ends: 449 [2023-11-28 20:40:18,144 INFO L226 Difference]: Without dead ends: 305 [2023-11-28 20:40:18,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 523 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-28 20:40:18,147 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 748 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:18,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 607 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-28 20:40:18,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-11-28 20:40:18,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 295. [2023-11-28 20:40:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 208 states have (on average 1.4086538461538463) internal successors, (293), 208 states have internal predecessors, (293), 80 states have call successors, (80), 6 states have call predecessors, (80), 6 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-28 20:40:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 453 transitions. [2023-11-28 20:40:18,205 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 453 transitions. Word has length 266 [2023-11-28 20:40:18,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:18,206 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 453 transitions. [2023-11-28 20:40:18,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-11-28 20:40:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 453 transitions. [2023-11-28 20:40:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-28 20:40:18,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:18,210 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:18,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 20:40:18,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-28 20:40:18,411 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:18,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:18,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2078372876, now seen corresponding path program 1 times [2023-11-28 20:40:18,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:18,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220182947] [2023-11-28 20:40:18,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:18,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:18,456 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:18,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1946894887] [2023-11-28 20:40:18,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:18,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:18,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:18,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:18,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 20:40:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:18,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:40:18,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2023-11-28 20:40:18,814 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:19,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:19,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220182947] [2023-11-28 20:40:19,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:19,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946894887] [2023-11-28 20:40:19,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946894887] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:19,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:19,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-28 20:40:19,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951505557] [2023-11-28 20:40:19,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:19,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 20:40:19,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 20:40:19,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:40:19,046 INFO L87 Difference]: Start difference. First operand 295 states and 453 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2023-11-28 20:40:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:19,733 INFO L93 Difference]: Finished difference Result 621 states and 937 transitions. [2023-11-28 20:40:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-28 20:40:19,734 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 266 [2023-11-28 20:40:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:19,739 INFO L225 Difference]: With dead ends: 621 [2023-11-28 20:40:19,739 INFO L226 Difference]: Without dead ends: 327 [2023-11-28 20:40:19,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:40:19,741 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 501 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:19,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 574 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:40:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-28 20:40:19,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 313. [2023-11-28 20:40:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 222 states have (on average 1.382882882882883) internal successors, (307), 222 states have internal predecessors, (307), 80 states have call successors, (80), 10 states have call predecessors, (80), 10 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-28 20:40:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 467 transitions. [2023-11-28 20:40:19,783 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 467 transitions. Word has length 266 [2023-11-28 20:40:19,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:19,783 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 467 transitions. [2023-11-28 20:40:19,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2023-11-28 20:40:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 467 transitions. [2023-11-28 20:40:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-28 20:40:19,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:19,788 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:19,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 20:40:19,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:19,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:19,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:19,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1430381803, now seen corresponding path program 1 times [2023-11-28 20:40:19,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:19,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434891725] [2023-11-28 20:40:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:19,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:20,034 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:20,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138400653] [2023-11-28 20:40:20,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:20,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:20,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:20,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:20,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 20:40:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:20,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:40:20,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1509 proven. 72 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2023-11-28 20:40:20,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:20,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434891725] [2023-11-28 20:40:20,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138400653] [2023-11-28 20:40:20,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138400653] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:20,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:20,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-28 20:40:20,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759778941] [2023-11-28 20:40:20,718 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:20,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 20:40:20,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:20,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 20:40:20,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:40:20,721 INFO L87 Difference]: Start difference. First operand 313 states and 467 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 3 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2023-11-28 20:40:21,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:21,322 INFO L93 Difference]: Finished difference Result 859 states and 1263 transitions. [2023-11-28 20:40:21,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:40:21,323 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 3 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 267 [2023-11-28 20:40:21,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:21,328 INFO L225 Difference]: With dead ends: 859 [2023-11-28 20:40:21,328 INFO L226 Difference]: Without dead ends: 547 [2023-11-28 20:40:21,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:40:21,330 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 683 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:21,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 641 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:40:21,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-28 20:40:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 523. [2023-11-28 20:40:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 398 states have (on average 1.4020100502512562) internal successors, (558), 400 states have internal predecessors, (558), 106 states have call successors, (106), 18 states have call predecessors, (106), 18 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-28 20:40:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 770 transitions. [2023-11-28 20:40:21,385 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 770 transitions. Word has length 267 [2023-11-28 20:40:21,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:21,386 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 770 transitions. [2023-11-28 20:40:21,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 3 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2023-11-28 20:40:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 770 transitions. [2023-11-28 20:40:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-28 20:40:21,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:21,392 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:21,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-28 20:40:21,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:21,592 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:21,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:21,593 INFO L85 PathProgramCache]: Analyzing trace with hash 58574505, now seen corresponding path program 1 times [2023-11-28 20:40:21,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:21,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567385713] [2023-11-28 20:40:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:21,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:21,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:21,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288786881] [2023-11-28 20:40:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:21,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:21,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:21,626 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:21,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 20:40:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:21,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:40:21,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-28 20:40:22,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:22,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567385713] [2023-11-28 20:40:22,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288786881] [2023-11-28 20:40:22,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288786881] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:22,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:22,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-28 20:40:22,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937289855] [2023-11-28 20:40:22,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:22,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:40:22,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:22,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:40:22,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:40:22,407 INFO L87 Difference]: Start difference. First operand 523 states and 770 transitions. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-28 20:40:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:22,795 INFO L93 Difference]: Finished difference Result 1073 states and 1575 transitions. [2023-11-28 20:40:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 20:40:22,797 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 267 [2023-11-28 20:40:22,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:22,802 INFO L225 Difference]: With dead ends: 1073 [2023-11-28 20:40:22,802 INFO L226 Difference]: Without dead ends: 551 [2023-11-28 20:40:22,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-28 20:40:22,804 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 336 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:22,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 658 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:40:22,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-11-28 20:40:22,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 527. [2023-11-28 20:40:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 402 states have (on average 1.3980099502487562) internal successors, (562), 404 states have internal predecessors, (562), 106 states have call successors, (106), 18 states have call predecessors, (106), 18 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2023-11-28 20:40:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 774 transitions. [2023-11-28 20:40:22,844 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 774 transitions. Word has length 267 [2023-11-28 20:40:22,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:22,844 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 774 transitions. [2023-11-28 20:40:22,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2023-11-28 20:40:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 774 transitions. [2023-11-28 20:40:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-28 20:40:22,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:22,848 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:22,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 20:40:23,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:23,052 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:23,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash -450898585, now seen corresponding path program 1 times [2023-11-28 20:40:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:23,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084854151] [2023-11-28 20:40:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:23,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:23,086 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:23,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341006047] [2023-11-28 20:40:23,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:23,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:23,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:23,088 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:23,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-28 20:40:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:23,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:40:23,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-28 20:40:23,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:40:23,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:23,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084854151] [2023-11-28 20:40:23,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:23,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341006047] [2023-11-28 20:40:23,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341006047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:40:23,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:40:23,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:40:23,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268300913] [2023-11-28 20:40:23,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:40:23,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:40:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:23,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:40:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:40:23,553 INFO L87 Difference]: Start difference. First operand 527 states and 774 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:40:23,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:23,890 INFO L93 Difference]: Finished difference Result 1603 states and 2344 transitions. [2023-11-28 20:40:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:40:23,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 267 [2023-11-28 20:40:23,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:23,900 INFO L225 Difference]: With dead ends: 1603 [2023-11-28 20:40:23,900 INFO L226 Difference]: Without dead ends: 1077 [2023-11-28 20:40:23,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:40:23,902 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 113 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:23,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 673 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 20:40:23,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2023-11-28 20:40:24,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1071. [2023-11-28 20:40:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 818 states have (on average 1.39119804400978) internal successors, (1138), 822 states have internal predecessors, (1138), 212 states have call successors, (212), 40 states have call predecessors, (212), 40 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2023-11-28 20:40:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1562 transitions. [2023-11-28 20:40:24,017 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1562 transitions. Word has length 267 [2023-11-28 20:40:24,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:24,018 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1562 transitions. [2023-11-28 20:40:24,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:40:24,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1562 transitions. [2023-11-28 20:40:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-28 20:40:24,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:24,021 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:24,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-28 20:40:24,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:24,222 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:24,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash -725658199, now seen corresponding path program 1 times [2023-11-28 20:40:24,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:24,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390481553] [2023-11-28 20:40:24,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:24,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:24,257 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:24,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005064918] [2023-11-28 20:40:24,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:24,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:24,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:24,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:24,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-28 20:40:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:24,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-28 20:40:24,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2023-11-28 20:40:24,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:24,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:24,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390481553] [2023-11-28 20:40:24,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:24,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005064918] [2023-11-28 20:40:24,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005064918] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:24,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:24,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2023-11-28 20:40:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824934756] [2023-11-28 20:40:24,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:24,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-28 20:40:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:24,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 20:40:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-28 20:40:24,940 INFO L87 Difference]: Start difference. First operand 1071 states and 1562 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-28 20:40:26,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:26,156 INFO L93 Difference]: Finished difference Result 4449 states and 6357 transitions. [2023-11-28 20:40:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-28 20:40:26,156 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 267 [2023-11-28 20:40:26,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:26,174 INFO L225 Difference]: With dead ends: 4449 [2023-11-28 20:40:26,174 INFO L226 Difference]: Without dead ends: 3379 [2023-11-28 20:40:26,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 522 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2023-11-28 20:40:26,179 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 835 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:26,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 1099 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-28 20:40:26,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2023-11-28 20:40:26,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 1167. [2023-11-28 20:40:26,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 906 states have (on average 1.3973509933774835) internal successors, (1266), 910 states have internal predecessors, (1266), 212 states have call successors, (212), 48 states have call predecessors, (212), 48 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2023-11-28 20:40:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1690 transitions. [2023-11-28 20:40:26,348 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1690 transitions. Word has length 267 [2023-11-28 20:40:26,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:26,349 INFO L495 AbstractCegarLoop]: Abstraction has 1167 states and 1690 transitions. [2023-11-28 20:40:26,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-28 20:40:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1690 transitions. [2023-11-28 20:40:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-28 20:40:26,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:26,351 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:26,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-28 20:40:26,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:26,557 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:26,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:26,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1569663701, now seen corresponding path program 1 times [2023-11-28 20:40:26,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:26,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951288080] [2023-11-28 20:40:26,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:26,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:26,588 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:26,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757512080] [2023-11-28 20:40:26,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:26,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:26,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:26,590 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:26,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-28 20:40:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:26,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-28 20:40:26,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1520 proven. 378 refuted. 0 times theorem prover too weak. 1222 trivial. 0 not checked. [2023-11-28 20:40:27,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 120 proven. 222 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2023-11-28 20:40:28,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951288080] [2023-11-28 20:40:28,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757512080] [2023-11-28 20:40:28,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757512080] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:28,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:28,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2023-11-28 20:40:28,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194264899] [2023-11-28 20:40:28,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:28,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-28 20:40:28,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:28,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-28 20:40:28,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=637, Unknown=0, NotChecked=0, Total=812 [2023-11-28 20:40:28,559 INFO L87 Difference]: Start difference. First operand 1167 states and 1690 transitions. Second operand has 29 states, 28 states have (on average 4.714285714285714) internal successors, (132), 26 states have internal predecessors, (132), 8 states have call successors, (68), 5 states have call predecessors, (68), 10 states have return successors, (70), 8 states have call predecessors, (70), 8 states have call successors, (70) [2023-11-28 20:40:31,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:31,202 INFO L93 Difference]: Finished difference Result 1907 states and 2668 transitions. [2023-11-28 20:40:31,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-28 20:40:31,203 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.714285714285714) internal successors, (132), 26 states have internal predecessors, (132), 8 states have call successors, (68), 5 states have call predecessors, (68), 10 states have return successors, (70), 8 states have call predecessors, (70), 8 states have call successors, (70) Word has length 267 [2023-11-28 20:40:31,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:31,211 INFO L225 Difference]: With dead ends: 1907 [2023-11-28 20:40:31,211 INFO L226 Difference]: Without dead ends: 1333 [2023-11-28 20:40:31,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1548 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1397, Invalid=4455, Unknown=0, NotChecked=0, Total=5852 [2023-11-28 20:40:31,216 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 685 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:31,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 1175 Invalid, 2030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-28 20:40:31,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2023-11-28 20:40:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1211. [2023-11-28 20:40:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 950 states have (on average 1.3789473684210527) internal successors, (1310), 954 states have internal predecessors, (1310), 196 states have call successors, (196), 64 states have call predecessors, (196), 64 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2023-11-28 20:40:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1702 transitions. [2023-11-28 20:40:31,372 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1702 transitions. Word has length 267 [2023-11-28 20:40:31,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:31,373 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1702 transitions. [2023-11-28 20:40:31,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.714285714285714) internal successors, (132), 26 states have internal predecessors, (132), 8 states have call successors, (68), 5 states have call predecessors, (68), 10 states have return successors, (70), 8 states have call predecessors, (70), 8 states have call successors, (70) [2023-11-28 20:40:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1702 transitions. [2023-11-28 20:40:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-28 20:40:31,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:31,377 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:31,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-28 20:40:31,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-28 20:40:31,577 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:31,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:31,578 INFO L85 PathProgramCache]: Analyzing trace with hash -539893520, now seen corresponding path program 1 times [2023-11-28 20:40:31,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:31,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576254424] [2023-11-28 20:40:31,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:31,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:31,611 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:31,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115598694] [2023-11-28 20:40:31,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:31,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:31,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:31,613 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:31,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-28 20:40:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:31,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:40:31,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2023-11-28 20:40:32,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:40:32,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:32,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576254424] [2023-11-28 20:40:32,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:32,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115598694] [2023-11-28 20:40:32,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115598694] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:32,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:32,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-28 20:40:32,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601120404] [2023-11-28 20:40:32,670 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:32,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-28 20:40:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:32,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-28 20:40:32,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-28 20:40:32,672 INFO L87 Difference]: Start difference. First operand 1211 states and 1702 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (80), 3 states have call predecessors, (80), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2023-11-28 20:40:33,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:33,426 INFO L93 Difference]: Finished difference Result 2741 states and 3861 transitions. [2023-11-28 20:40:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:40:33,427 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (80), 3 states have call predecessors, (80), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) Word has length 268 [2023-11-28 20:40:33,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:33,435 INFO L225 Difference]: With dead ends: 2741 [2023-11-28 20:40:33,435 INFO L226 Difference]: Without dead ends: 1531 [2023-11-28 20:40:33,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:40:33,439 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 559 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:33,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 708 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:40:33,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2023-11-28 20:40:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1499. [2023-11-28 20:40:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1222 states have (on average 1.3960720130932898) internal successors, (1706), 1230 states have internal predecessors, (1706), 208 states have call successors, (208), 68 states have call predecessors, (208), 68 states have return successors, (208), 200 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-28 20:40:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2122 transitions. [2023-11-28 20:40:33,606 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2122 transitions. Word has length 268 [2023-11-28 20:40:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:33,607 INFO L495 AbstractCegarLoop]: Abstraction has 1499 states and 2122 transitions. [2023-11-28 20:40:33,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 11 states have internal predecessors, (128), 4 states have call successors, (80), 3 states have call predecessors, (80), 5 states have return successors, (80), 4 states have call predecessors, (80), 4 states have call successors, (80) [2023-11-28 20:40:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2122 transitions. [2023-11-28 20:40:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-28 20:40:33,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:33,610 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:40:33,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-28 20:40:33,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-28 20:40:33,811 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:33,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash -673907026, now seen corresponding path program 1 times [2023-11-28 20:40:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:33,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96866603] [2023-11-28 20:40:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:33,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:33,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:40:33,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965460421] [2023-11-28 20:40:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:33,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:40:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:40:33,838 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:40:33,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-28 20:40:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:34,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-28 20:40:34,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:40:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2152 proven. 216 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2023-11-28 20:40:36,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:40:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 135 proven. 207 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2023-11-28 20:40:41,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:41,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96866603] [2023-11-28 20:40:41,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:40:41,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965460421] [2023-11-28 20:40:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965460421] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:40:41,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:40:41,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24] total 45 [2023-11-28 20:40:41,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664461491] [2023-11-28 20:40:41,761 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:40:41,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-28 20:40:41,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-28 20:40:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=476, Invalid=1504, Unknown=0, NotChecked=0, Total=1980 [2023-11-28 20:40:41,765 INFO L87 Difference]: Start difference. First operand 1499 states and 2122 transitions. Second operand has 45 states, 44 states have (on average 3.6136363636363638) internal successors, (159), 43 states have internal predecessors, (159), 10 states have call successors, (80), 6 states have call predecessors, (80), 12 states have return successors, (80), 10 states have call predecessors, (80), 10 states have call successors, (80) [2023-11-28 20:41:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:41:55,093 INFO L93 Difference]: Finished difference Result 24497 states and 35088 transitions. [2023-11-28 20:41:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2023-11-28 20:41:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 3.6136363636363638) internal successors, (159), 43 states have internal predecessors, (159), 10 states have call successors, (80), 6 states have call predecessors, (80), 12 states have return successors, (80), 10 states have call predecessors, (80), 10 states have call successors, (80) Word has length 268 [2023-11-28 20:41:55,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:41:55,182 INFO L225 Difference]: With dead ends: 24497 [2023-11-28 20:41:55,182 INFO L226 Difference]: Without dead ends: 22999 [2023-11-28 20:41:55,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39893 ImplicationChecksByTransitivity, 46.2s TimeCoverageRelationStatistics Valid=18925, Invalid=66631, Unknown=0, NotChecked=0, Total=85556 [2023-11-28 20:41:55,217 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 7154 mSDsluCounter, 6158 mSDsCounter, 0 mSdLazyCounter, 13761 mSolverCounterSat, 1780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7167 SdHoareTripleChecker+Valid, 6459 SdHoareTripleChecker+Invalid, 15541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1780 IncrementalHoareTripleChecker+Valid, 13761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:41:55,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7167 Valid, 6459 Invalid, 15541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1780 Valid, 13761 Invalid, 0 Unknown, 0 Unchecked, 25.0s Time] [2023-11-28 20:41:55,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22999 states. [2023-11-28 20:41:56,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22999 to 4607. [2023-11-28 20:41:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4607 states, 3864 states have (on average 1.4213250517598344) internal successors, (5492), 3880 states have internal predecessors, (5492), 546 states have call successors, (546), 196 states have call predecessors, (546), 196 states have return successors, (546), 530 states have call predecessors, (546), 546 states have call successors, (546) [2023-11-28 20:41:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 4607 states and 6584 transitions. [2023-11-28 20:41:56,147 INFO L78 Accepts]: Start accepts. Automaton has 4607 states and 6584 transitions. Word has length 268 [2023-11-28 20:41:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:41:56,148 INFO L495 AbstractCegarLoop]: Abstraction has 4607 states and 6584 transitions. [2023-11-28 20:41:56,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.6136363636363638) internal successors, (159), 43 states have internal predecessors, (159), 10 states have call successors, (80), 6 states have call predecessors, (80), 12 states have return successors, (80), 10 states have call predecessors, (80), 10 states have call successors, (80) [2023-11-28 20:41:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4607 states and 6584 transitions. [2023-11-28 20:41:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-28 20:41:56,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:41:56,154 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:41:56,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-28 20:41:56,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-28 20:41:56,355 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:41:56,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:41:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1612637718, now seen corresponding path program 1 times [2023-11-28 20:41:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:41:56,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116438807] [2023-11-28 20:41:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:41:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:41:56,391 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:41:56,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687013430] [2023-11-28 20:41:56,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:41:56,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:41:56,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:41:56,396 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:41:56,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-28 20:41:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:56,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-28 20:41:56,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:41:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 515 proven. 210 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2023-11-28 20:41:57,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:41:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:41:58,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:41:58,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116438807] [2023-11-28 20:41:58,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:41:58,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687013430] [2023-11-28 20:41:58,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687013430] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:41:58,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:41:58,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2023-11-28 20:41:58,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334575048] [2023-11-28 20:41:58,252 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:41:58,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-28 20:41:58,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:41:58,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-28 20:41:58,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2023-11-28 20:41:58,254 INFO L87 Difference]: Start difference. First operand 4607 states and 6584 transitions. Second operand has 22 states, 22 states have (on average 6.045454545454546) internal successors, (133), 21 states have internal predecessors, (133), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-28 20:42:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:01,763 INFO L93 Difference]: Finished difference Result 14953 states and 21220 transitions. [2023-11-28 20:42:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-28 20:42:01,764 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.045454545454546) internal successors, (133), 21 states have internal predecessors, (133), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 268 [2023-11-28 20:42:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:01,780 INFO L225 Difference]: With dead ends: 14953 [2023-11-28 20:42:01,780 INFO L226 Difference]: Without dead ends: 10275 [2023-11-28 20:42:01,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=560, Invalid=1420, Unknown=0, NotChecked=0, Total=1980 [2023-11-28 20:42:01,788 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 662 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:01,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 1298 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1578 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-28 20:42:01,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10275 states. [2023-11-28 20:42:02,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10275 to 4813. [2023-11-28 20:42:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4813 states, 4050 states have (on average 1.4083950617283951) internal successors, (5704), 4066 states have internal predecessors, (5704), 546 states have call successors, (546), 216 states have call predecessors, (546), 216 states have return successors, (546), 530 states have call predecessors, (546), 546 states have call successors, (546) [2023-11-28 20:42:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4813 states to 4813 states and 6796 transitions. [2023-11-28 20:42:02,680 INFO L78 Accepts]: Start accepts. Automaton has 4813 states and 6796 transitions. Word has length 268 [2023-11-28 20:42:02,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:02,681 INFO L495 AbstractCegarLoop]: Abstraction has 4813 states and 6796 transitions. [2023-11-28 20:42:02,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.045454545454546) internal successors, (133), 21 states have internal predecessors, (133), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-28 20:42:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4813 states and 6796 transitions. [2023-11-28 20:42:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-28 20:42:02,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:02,687 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:02,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-28 20:42:02,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-28 20:42:02,888 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:02,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:02,888 INFO L85 PathProgramCache]: Analyzing trace with hash -14375504, now seen corresponding path program 1 times [2023-11-28 20:42:02,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:02,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020793208] [2023-11-28 20:42:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:02,914 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:02,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983070978] [2023-11-28 20:42:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:02,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:02,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:02,916 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:02,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-28 20:42:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:03,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-28 20:42:03,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1940 proven. 180 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-11-28 20:42:03,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2023-11-28 20:42:10,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:10,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020793208] [2023-11-28 20:42:10,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:10,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983070978] [2023-11-28 20:42:10,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983070978] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:10,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:10,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-11-28 20:42:10,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352922713] [2023-11-28 20:42:10,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:10,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-28 20:42:10,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:10,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-28 20:42:10,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2023-11-28 20:42:10,315 INFO L87 Difference]: Start difference. First operand 4813 states and 6796 transitions. Second operand has 22 states, 21 states have (on average 6.0) internal successors, (126), 20 states have internal predecessors, (126), 7 states have call successors, (61), 4 states have call predecessors, (61), 9 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) [2023-11-28 20:42:15,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:42:20,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:42:23,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:42:27,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:27,000 INFO L93 Difference]: Finished difference Result 13989 states and 19482 transitions. [2023-11-28 20:42:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-28 20:42:27,001 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.0) internal successors, (126), 20 states have internal predecessors, (126), 7 states have call successors, (61), 4 states have call predecessors, (61), 9 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) Word has length 268 [2023-11-28 20:42:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:27,015 INFO L225 Difference]: With dead ends: 13989 [2023-11-28 20:42:27,015 INFO L226 Difference]: Without dead ends: 9177 [2023-11-28 20:42:27,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=824, Invalid=2038, Unknown=0, NotChecked=0, Total=2862 [2023-11-28 20:42:27,023 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 948 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 311 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:27,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 945 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 1112 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2023-11-28 20:42:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9177 states. [2023-11-28 20:42:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9177 to 2183. [2023-11-28 20:42:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2183 states, 1824 states have (on average 1.3804824561403508) internal successors, (2518), 1824 states have internal predecessors, (2518), 240 states have call successors, (240), 118 states have call predecessors, (240), 118 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2023-11-28 20:42:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2998 transitions. [2023-11-28 20:42:27,530 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2998 transitions. Word has length 268 [2023-11-28 20:42:27,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:27,531 INFO L495 AbstractCegarLoop]: Abstraction has 2183 states and 2998 transitions. [2023-11-28 20:42:27,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.0) internal successors, (126), 20 states have internal predecessors, (126), 7 states have call successors, (61), 4 states have call predecessors, (61), 9 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) [2023-11-28 20:42:27,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2998 transitions. [2023-11-28 20:42:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-28 20:42:27,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:27,534 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:27,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-28 20:42:27,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:27,735 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:27,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:27,735 INFO L85 PathProgramCache]: Analyzing trace with hash -642218802, now seen corresponding path program 1 times [2023-11-28 20:42:27,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:27,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228966206] [2023-11-28 20:42:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:27,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:27,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222333863] [2023-11-28 20:42:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:27,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:27,768 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:27,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-28 20:42:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:28,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 20:42:28,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 515 proven. 210 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2023-11-28 20:42:28,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-11-28 20:42:29,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:29,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228966206] [2023-11-28 20:42:29,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:29,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222333863] [2023-11-28 20:42:29,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222333863] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:29,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:29,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-28 20:42:29,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286196605] [2023-11-28 20:42:29,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:29,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-28 20:42:29,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:29,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-28 20:42:29,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-11-28 20:42:29,399 INFO L87 Difference]: Start difference. First operand 2183 states and 2998 transitions. Second operand has 15 states, 15 states have (on average 8.8) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-28 20:42:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:30,967 INFO L93 Difference]: Finished difference Result 5436 states and 7520 transitions. [2023-11-28 20:42:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-28 20:42:30,968 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 269 [2023-11-28 20:42:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:30,976 INFO L225 Difference]: With dead ends: 5436 [2023-11-28 20:42:30,976 INFO L226 Difference]: Without dead ends: 3254 [2023-11-28 20:42:30,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=252, Invalid=504, Unknown=0, NotChecked=0, Total=756 [2023-11-28 20:42:30,979 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 406 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:30,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 1110 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-28 20:42:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2023-11-28 20:42:31,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2363. [2023-11-28 20:42:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 2004 states have (on average 1.3952095808383234) internal successors, (2796), 2004 states have internal predecessors, (2796), 240 states have call successors, (240), 118 states have call predecessors, (240), 118 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2023-11-28 20:42:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3276 transitions. [2023-11-28 20:42:31,396 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3276 transitions. Word has length 269 [2023-11-28 20:42:31,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:31,396 INFO L495 AbstractCegarLoop]: Abstraction has 2363 states and 3276 transitions. [2023-11-28 20:42:31,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2023-11-28 20:42:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3276 transitions. [2023-11-28 20:42:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-11-28 20:42:31,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:31,401 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:31,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-28 20:42:31,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-28 20:42:31,602 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:31,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:31,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2062459634, now seen corresponding path program 1 times [2023-11-28 20:42:31,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:31,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739729811] [2023-11-28 20:42:31,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:31,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:31,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:31,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1770207579] [2023-11-28 20:42:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:31,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:31,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:31,639 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:31,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-28 20:42:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:31,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:42:31,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-28 20:42:31,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:31,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:31,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739729811] [2023-11-28 20:42:31,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:31,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770207579] [2023-11-28 20:42:31,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770207579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:31,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:31,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:31,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011202741] [2023-11-28 20:42:31,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:31,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:42:31,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:31,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:42:31,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:31,848 INFO L87 Difference]: Start difference. First operand 2363 states and 3276 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:42:32,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:32,145 INFO L93 Difference]: Finished difference Result 3087 states and 4269 transitions. [2023-11-28 20:42:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:42:32,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2023-11-28 20:42:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:32,148 INFO L225 Difference]: With dead ends: 3087 [2023-11-28 20:42:32,148 INFO L226 Difference]: Without dead ends: 1649 [2023-11-28 20:42:32,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:42:32,151 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 52 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:32,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 374 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:42:32,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2023-11-28 20:42:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2023-11-28 20:42:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1408 states have (on average 1.3863636363636365) internal successors, (1952), 1408 states have internal predecessors, (1952), 160 states have call successors, (160), 80 states have call predecessors, (160), 80 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-28 20:42:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2272 transitions. [2023-11-28 20:42:32,412 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2272 transitions. Word has length 269 [2023-11-28 20:42:32,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:32,412 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2272 transitions. [2023-11-28 20:42:32,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:42:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2272 transitions. [2023-11-28 20:42:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-28 20:42:32,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:32,416 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:32,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-28 20:42:32,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-28 20:42:32,617 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:32,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:32,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1732663802, now seen corresponding path program 1 times [2023-11-28 20:42:32,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:32,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142484709] [2023-11-28 20:42:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:32,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:32,646 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:32,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1539939115] [2023-11-28 20:42:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:32,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:32,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:32,648 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:32,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-28 20:42:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:32,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:42:32,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-28 20:42:32,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:32,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142484709] [2023-11-28 20:42:32,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539939115] [2023-11-28 20:42:32,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539939115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:32,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:32,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:42:32,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663649044] [2023-11-28 20:42:32,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:32,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:42:32,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:32,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:42:32,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:32,912 INFO L87 Difference]: Start difference. First operand 1649 states and 2272 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:42:33,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:33,452 INFO L93 Difference]: Finished difference Result 4001 states and 5609 transitions. [2023-11-28 20:42:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:42:33,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 270 [2023-11-28 20:42:33,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:33,455 INFO L225 Difference]: With dead ends: 4001 [2023-11-28 20:42:33,455 INFO L226 Difference]: Without dead ends: 2353 [2023-11-28 20:42:33,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:42:33,458 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 232 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:33,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 520 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:42:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2023-11-28 20:42:33,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 1697. [2023-11-28 20:42:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1456 states have (on average 1.3736263736263736) internal successors, (2000), 1456 states have internal predecessors, (2000), 160 states have call successors, (160), 80 states have call predecessors, (160), 80 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-28 20:42:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2320 transitions. [2023-11-28 20:42:33,728 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2320 transitions. Word has length 270 [2023-11-28 20:42:33,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:33,729 INFO L495 AbstractCegarLoop]: Abstraction has 1697 states and 2320 transitions. [2023-11-28 20:42:33,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:42:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2320 transitions. [2023-11-28 20:42:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-28 20:42:33,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:33,731 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:33,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-28 20:42:33,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-28 20:42:33,932 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:33,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 756865160, now seen corresponding path program 1 times [2023-11-28 20:42:33,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:33,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470586855] [2023-11-28 20:42:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:33,965 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:33,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120444073] [2023-11-28 20:42:33,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:33,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:33,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:33,967 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:33,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-28 20:42:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:34,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-28 20:42:34,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1456 proven. 57 refuted. 0 times theorem prover too weak. 1607 trivial. 0 not checked. [2023-11-28 20:42:36,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2023-11-28 20:42:37,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:37,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470586855] [2023-11-28 20:42:37,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:37,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120444073] [2023-11-28 20:42:37,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120444073] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:42:37,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:42:37,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 25 [2023-11-28 20:42:37,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161467601] [2023-11-28 20:42:37,261 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:37,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-28 20:42:37,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:37,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-28 20:42:37,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2023-11-28 20:42:37,263 INFO L87 Difference]: Start difference. First operand 1697 states and 2320 transitions. Second operand has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 22 states have internal predecessors, (121), 6 states have call successors, (51), 5 states have call predecessors, (51), 10 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) [2023-11-28 20:42:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:45,018 INFO L93 Difference]: Finished difference Result 5087 states and 6942 transitions. [2023-11-28 20:42:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-28 20:42:45,019 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 22 states have internal predecessors, (121), 6 states have call successors, (51), 5 states have call predecessors, (51), 10 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) Word has length 270 [2023-11-28 20:42:45,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:45,023 INFO L225 Difference]: With dead ends: 5087 [2023-11-28 20:42:45,023 INFO L226 Difference]: Without dead ends: 3391 [2023-11-28 20:42:45,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1688 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1302, Invalid=4550, Unknown=0, NotChecked=0, Total=5852 [2023-11-28 20:42:45,027 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 752 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:45,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 809 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-28 20:42:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2023-11-28 20:42:45,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 1665. [2023-11-28 20:42:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1420 states have (on average 1.3633802816901408) internal successors, (1936), 1420 states have internal predecessors, (1936), 160 states have call successors, (160), 84 states have call predecessors, (160), 84 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-28 20:42:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2256 transitions. [2023-11-28 20:42:45,469 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2256 transitions. Word has length 270 [2023-11-28 20:42:45,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:45,470 INFO L495 AbstractCegarLoop]: Abstraction has 1665 states and 2256 transitions. [2023-11-28 20:42:45,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 22 states have internal predecessors, (121), 6 states have call successors, (51), 5 states have call predecessors, (51), 10 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) [2023-11-28 20:42:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2256 transitions. [2023-11-28 20:42:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-28 20:42:45,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:45,472 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:45,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-28 20:42:45,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-28 20:42:45,673 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:45,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:45,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1699567497, now seen corresponding path program 1 times [2023-11-28 20:42:45,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:45,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911537882] [2023-11-28 20:42:45,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:45,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:45,696 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:45,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851034107] [2023-11-28 20:42:45,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:45,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:45,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:45,697 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:45,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-28 20:42:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:45,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:42:45,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-28 20:42:46,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:42:46,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:46,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911537882] [2023-11-28 20:42:46,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:46,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851034107] [2023-11-28 20:42:46,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851034107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:46,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:46,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:42:46,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409683878] [2023-11-28 20:42:46,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:46,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:42:46,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:46,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:42:46,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:46,233 INFO L87 Difference]: Start difference. First operand 1665 states and 2256 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:42:46,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:46,885 INFO L93 Difference]: Finished difference Result 3353 states and 4559 transitions. [2023-11-28 20:42:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:42:46,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 270 [2023-11-28 20:42:46,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:46,889 INFO L225 Difference]: With dead ends: 3353 [2023-11-28 20:42:46,889 INFO L226 Difference]: Without dead ends: 1689 [2023-11-28 20:42:46,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:42:46,892 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 95 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:46,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 316 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:42:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2023-11-28 20:42:47,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2023-11-28 20:42:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1444 states have (on average 1.3573407202216066) internal successors, (1960), 1444 states have internal predecessors, (1960), 160 states have call successors, (160), 84 states have call predecessors, (160), 84 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2023-11-28 20:42:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2280 transitions. [2023-11-28 20:42:47,302 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2280 transitions. Word has length 270 [2023-11-28 20:42:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:47,302 INFO L495 AbstractCegarLoop]: Abstraction has 1689 states and 2280 transitions. [2023-11-28 20:42:47,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:42:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2280 transitions. [2023-11-28 20:42:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-28 20:42:47,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:47,305 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:47,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-28 20:42:47,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-28 20:42:47,505 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:47,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:47,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1676935243, now seen corresponding path program 1 times [2023-11-28 20:42:47,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:47,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269014831] [2023-11-28 20:42:47,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:47,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:47,530 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:47,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389553804] [2023-11-28 20:42:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:47,531 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:47,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-28 20:42:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:47,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-28 20:42:47,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:42:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2173 proven. 126 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2023-11-28 20:42:48,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:42:54,517 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~var_1_19~0 65536))) (let ((.cse4 (+ 2 .cse1)) (.cse2 (mod c_~var_1_29~0 256))) (and (or (forall ((v_z_135 Int)) (let ((.cse0 (+ (* (- 1) v_z_135) .cse2))) (or (= (mod c_~last_1_var_1_40~0 .cse0) 0) (< (div c_~last_1_var_1_40~0 .cse0) (+ .cse1 1)) (< .cse2 v_z_135) (< 126 v_z_135)))) (< 0 (+ c_~last_1_var_1_40~0 1))) (forall ((v_z_135 Int)) (let ((.cse3 (+ (* (- 1) v_z_135) .cse2))) (or (< v_z_135 0) (< (div c_~last_1_var_1_40~0 .cse3) .cse4) (< 126 v_z_135) (not (= (mod c_~last_1_var_1_40~0 .cse3) 0))))) (or (forall ((v_z_135 Int)) (or (< v_z_135 0) (< (div c_~last_1_var_1_40~0 (+ (* (- 1) v_z_135) .cse2)) .cse4) (< 126 v_z_135))) (< c_~last_1_var_1_40~0 0)) (forall ((v_z_135 Int)) (or (< v_z_135 0) (< (div c_~last_1_var_1_40~0 (+ (* (- 1) v_z_135) .cse2)) (+ 3 .cse1)) (< 126 v_z_135)))))) is different from false [2023-11-28 20:42:54,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:54,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269014831] [2023-11-28 20:42:54,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 20:42:54,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389553804] [2023-11-28 20:42:54,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389553804] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:42:54,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:42:54,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-28 20:42:54,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71428189] [2023-11-28 20:42:54,539 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-28 20:42:54,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 20:42:54,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:54,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 20:42:54,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=184, Unknown=1, NotChecked=28, Total=272 [2023-11-28 20:42:54,540 INFO L87 Difference]: Start difference. First operand 1689 states and 2280 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-28 20:42:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:57,752 INFO L93 Difference]: Finished difference Result 4157 states and 5622 transitions. [2023-11-28 20:42:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-28 20:42:57,753 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 270 [2023-11-28 20:42:57,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:57,755 INFO L225 Difference]: With dead ends: 4157 [2023-11-28 20:42:57,755 INFO L226 Difference]: Without dead ends: 2469 [2023-11-28 20:42:57,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=262, Invalid=733, Unknown=1, NotChecked=60, Total=1056 [2023-11-28 20:42:57,758 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 322 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:57,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1295 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 20:42:57,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2023-11-28 20:42:58,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 1849. [2023-11-28 20:42:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1543 states have (on average 1.338302009073234) internal successors, (2065), 1543 states have internal predecessors, (2065), 200 states have call successors, (200), 105 states have call predecessors, (200), 105 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2023-11-28 20:42:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2465 transitions. [2023-11-28 20:42:58,224 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2465 transitions. Word has length 270 [2023-11-28 20:42:58,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:58,225 INFO L495 AbstractCegarLoop]: Abstraction has 1849 states and 2465 transitions. [2023-11-28 20:42:58,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 13 states have internal predecessors, (91), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-28 20:42:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2465 transitions. [2023-11-28 20:42:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-28 20:42:58,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:58,227 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:42:58,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-28 20:42:58,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:58,428 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:58,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:58,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1925081737, now seen corresponding path program 1 times [2023-11-28 20:42:58,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:58,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569207705] [2023-11-28 20:42:58,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:58,457 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 20:42:58,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301282119] [2023-11-28 20:42:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:58,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:42:58,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:42:58,458 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:42:58,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-28 20:42:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:42:59,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:42:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:42:59,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:42:59,836 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 20:42:59,837 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 20:42:59,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-28 20:43:00,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:43:00,041 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:00,045 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:43:00,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-28 20:43:00,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-28 20:43:00,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-28 20:43:00,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-28 20:43:00,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-28 20:43:00,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-28 20:43:00,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-28 20:43:00,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-28 20:43:00,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-28 20:43:00,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-28 20:43:00,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-28 20:43:00,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-28 20:43:00,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-28 20:43:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-28 20:43:00,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-28 20:43:00,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-28 20:43:00,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-28 20:43:00,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-28 20:43:00,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:43:00 BoogieIcfgContainer [2023-11-28 20:43:00,216 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:43:00,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:43:00,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:43:00,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:43:00,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:40:13" (3/4) ... [2023-11-28 20:43:00,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 20:43:00,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:43:00,221 INFO L158 Benchmark]: Toolchain (without parser) took 167528.06ms. Allocated memory was 153.1MB in the beginning and 897.6MB in the end (delta: 744.5MB). Free memory was 113.7MB in the beginning and 290.3MB in the end (delta: -176.6MB). Peak memory consumption was 569.5MB. Max. memory is 16.1GB. [2023-11-28 20:43:00,221 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:43:00,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.96ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 96.1MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-28 20:43:00,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.15ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 89.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-28 20:43:00,222 INFO L158 Benchmark]: Boogie Preprocessor took 81.77ms. Allocated memory is still 153.1MB. Free memory was 89.4MB in the beginning and 80.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-28 20:43:00,223 INFO L158 Benchmark]: RCFGBuilder took 745.14ms. Allocated memory is still 153.1MB. Free memory was 80.5MB in the beginning and 84.0MB in the end (delta: -3.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-28 20:43:00,223 INFO L158 Benchmark]: TraceAbstraction took 166254.61ms. Allocated memory was 153.1MB in the beginning and 897.6MB in the end (delta: 744.5MB). Free memory was 83.3MB in the beginning and 291.4MB in the end (delta: -208.1MB). Peak memory consumption was 536.7MB. Max. memory is 16.1GB. [2023-11-28 20:43:00,223 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 897.6MB. Free memory was 291.4MB in the beginning and 290.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:43:00,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.96ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 96.1MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.15ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 89.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.77ms. Allocated memory is still 153.1MB. Free memory was 89.4MB in the beginning and 80.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 745.14ms. Allocated memory is still 153.1MB. Free memory was 80.5MB in the beginning and 84.0MB in the end (delta: -3.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 166254.61ms. Allocated memory was 153.1MB in the beginning and 897.6MB in the end (delta: 744.5MB). Free memory was 83.3MB in the beginning and 291.4MB in the end (delta: -208.1MB). Peak memory consumption was 536.7MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 897.6MB. Free memory was 291.4MB in the beginning and 290.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 216, overapproximation of shiftLeft at line 94, overapproximation of bitwiseOr at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 10.875; [L23] float var_1_4 = 64.75; [L24] float var_1_5 = 4.75; [L25] float var_1_6 = 63.95; [L26] unsigned long int var_1_7 = 32; [L27] unsigned long int var_1_8 = 4162005566; [L28] float var_1_11 = 0.5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 0; [L31] unsigned char var_1_14 = 0; [L32] unsigned char var_1_15 = 0; [L33] float var_1_16 = 32.375; [L34] unsigned short int var_1_17 = 32; [L35] unsigned short int var_1_18 = 18423; [L36] unsigned short int var_1_19 = 19325; [L37] unsigned short int var_1_20 = 10000; [L38] unsigned short int var_1_21 = 5; [L39] unsigned long int var_1_22 = 128; [L40] unsigned short int var_1_23 = 1; [L41] signed char var_1_24 = 5; [L42] signed char var_1_25 = 32; [L43] signed char var_1_26 = -10; [L44] signed long int var_1_27 = 1081977464; [L45] unsigned short int var_1_28 = 1; [L46] unsigned char var_1_29 = 128; [L47] unsigned char var_1_30 = 100; [L48] unsigned short int var_1_31 = 37977; [L49] unsigned short int var_1_32 = 1; [L50] float var_1_34 = 49.4; [L51] float var_1_35 = 2.5; [L52] float var_1_36 = 7.7; [L53] float var_1_37 = 4.8; [L54] signed short int var_1_38 = -10; [L55] signed short int var_1_39 = 10000; [L56] signed long int var_1_40 = -2; [L57] signed short int var_1_42 = -1; [L58] float last_1_var_1_11 = 0.5; [L59] unsigned short int last_1_var_1_23 = 1; [L60] unsigned short int last_1_var_1_28 = 1; [L61] signed short int last_1_var_1_38 = -10; [L62] signed long int last_1_var_1_40 = -2; [L63] signed short int last_1_var_1_42 = -1; [L220] isInitial = 1 [L221] FCALL initially() [L222] int k_loop; [L223] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_4=259/4, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L223] COND TRUE k_loop < 1 [L224] CALL updateLastVariables() [L208] last_1_var_1_11 = var_1_11 [L209] last_1_var_1_23 = var_1_23 [L210] last_1_var_1_28 = var_1_28 [L211] last_1_var_1_38 = var_1_38 [L212] last_1_var_1_40 = var_1_40 [L213] last_1_var_1_42 = var_1_42 [L224] RET updateLastVariables() [L225] CALL updateVariables() [L144] var_1_4 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L145] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_5=19/4, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L146] var_1_5 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L147] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_6=1279/20, var_1_7=32, var_1_8=4162005566] [L148] var_1_6 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=4162005566] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=4162005566] [L149] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=4162005566] [L150] var_1_8 = __VERIFIER_nondet_ulong() [L151] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L151] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L152] CALL assume_abort_if_not(var_1_8 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L152] RET assume_abort_if_not(var_1_8 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L153] var_1_12 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L154] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L155] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L155] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L156] var_1_14 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L157] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L158] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L158] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L159] var_1_15 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L161] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L161] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=18423, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L162] var_1_18 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_18 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L163] RET assume_abort_if_not(var_1_18 >= 16383) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L164] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L164] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=19325, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L165] var_1_19 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_19 >= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L166] RET assume_abort_if_not(var_1_19 >= 16384) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L167] CALL assume_abort_if_not(var_1_19 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L167] RET assume_abort_if_not(var_1_19 <= 32767) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=10000, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L168] var_1_20 = __VERIFIER_nondet_ushort() [L169] CALL assume_abort_if_not(var_1_20 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L169] RET assume_abort_if_not(var_1_20 >= 8192) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L170] CALL assume_abort_if_not(var_1_20 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L170] RET assume_abort_if_not(var_1_20 <= 16384) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=5, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L171] var_1_21 = __VERIFIER_nondet_ushort() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L173] CALL assume_abort_if_not(var_1_21 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L173] RET assume_abort_if_not(var_1_21 <= 8192) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=5, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L174] var_1_24 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L175] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L176] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L176] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=32, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L177] var_1_25 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L178] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L179] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L179] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=-10, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L180] var_1_26 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_26 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L181] RET assume_abort_if_not(var_1_26 >= -128) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L182] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L182] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L183] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L183] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1081977464, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L184] var_1_27 = __VERIFIER_nondet_long() [L185] CALL assume_abort_if_not(var_1_27 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L185] RET assume_abort_if_not(var_1_27 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L186] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L186] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=128, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L187] var_1_29 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_29 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L188] RET assume_abort_if_not(var_1_29 >= 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L189] CALL assume_abort_if_not(var_1_29 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L189] RET assume_abort_if_not(var_1_29 <= 255) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=100, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L190] var_1_30 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L191] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L192] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L192] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L193] CALL assume_abort_if_not(var_1_30 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L193] RET assume_abort_if_not(var_1_30 != 127) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=37977, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L194] var_1_31 = __VERIFIER_nondet_ushort() [L195] CALL assume_abort_if_not(var_1_31 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L195] RET assume_abort_if_not(var_1_31 >= 32767) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L196] CALL assume_abort_if_not(var_1_31 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L196] RET assume_abort_if_not(var_1_31 <= 65534) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_35=5/2, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L197] var_1_35 = __VERIFIER_nondet_float() [L198] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 4611686.018427382800e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L198] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 4611686.018427382800e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_36=77/10, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L199] var_1_36 = __VERIFIER_nondet_float() [L200] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L200] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_37=24/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L201] var_1_37 = __VERIFIER_nondet_float() [L202] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L202] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=10000, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L203] var_1_39 = __VERIFIER_nondet_short() [L204] CALL assume_abort_if_not(var_1_39 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L204] RET assume_abort_if_not(var_1_39 >= 8191) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L205] CALL assume_abort_if_not(var_1_39 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L205] RET assume_abort_if_not(var_1_39 <= 16383) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=1, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L225] RET updateVariables() [L226] CALL step() [L67] COND TRUE ((((last_1_var_1_42) < (var_1_24)) ? (last_1_var_1_42) : (var_1_24))) != (last_1_var_1_38 + ((((last_1_var_1_28) < (last_1_var_1_23)) ? (last_1_var_1_28) : (last_1_var_1_23)))) [L68] var_1_32 = var_1_30 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L76] unsigned short int stepLocal_5 = var_1_19; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-10, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L77] COND TRUE stepLocal_5 > var_1_32 [L78] var_1_38 = (var_1_29 + (((((var_1_21) < (var_1_30)) ? (var_1_21) : (var_1_30))) - (var_1_39 - 16))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L80] EXPR var_1_19 << var_1_20 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=1, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L80] COND FALSE !((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) [L83] var_1_28 = 50 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L85] signed long int stepLocal_3 = -1; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L86] COND FALSE !(stepLocal_3 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L89] COND TRUE var_1_5 < var_1_4 [L90] var_1_7 = (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L94] EXPR var_1_18 << var_1_32 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=128, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L94] COND FALSE !((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) [L101] var_1_22 = var_1_18 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L103] signed long int stepLocal_4 = (var_1_24 - var_1_25) / var_1_26; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L104] COND FALSE !(stepLocal_4 == (var_1_19 - (var_1_27 - var_1_18))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L107] EXPR var_1_8 ^ var_1_38 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L107] EXPR var_1_29 & (var_1_8 ^ var_1_38) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_34=247/5, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L107] COND TRUE (var_1_29 & (var_1_8 ^ var_1_38)) < var_1_17 [L108] var_1_34 = ((255.5f - var_1_35) + (((((var_1_36 - var_1_37)) < (var_1_5)) ? ((var_1_36 - var_1_37)) : (var_1_5)))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=-1, var_1_7=32, var_1_8=2147483647] [L110] var_1_42 = var_1_25 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L111] EXPR var_1_28 ^ var_1_8 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L111] EXPR (var_1_28 ^ var_1_8) & var_1_23 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L111] unsigned long int stepLocal_2 = (var_1_28 ^ var_1_8) & var_1_23; [L112] COND FALSE !(var_1_28 <= stepLocal_2) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L115] unsigned short int stepLocal_6 = var_1_32; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=-2, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L116] COND TRUE \read(var_1_14) [L117] var_1_40 = (((((var_1_30 + var_1_32)) < (var_1_23)) ? ((var_1_30 + var_1_32)) : (var_1_23))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L125] unsigned long int stepLocal_1 = var_1_8 + var_1_17; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L126] COND FALSE !(\read(var_1_12)) [L131] var_1_13 = var_1_15 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L133] EXPR var_1_7 | var_1_8 VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L133] COND FALSE !(((var_1_7 | var_1_8) > var_1_17) && var_1_13) [L136] signed long int stepLocal_0 = var_1_40; VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_0=1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=87/8, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_7=32, var_1_8=2147483647] [L137] COND FALSE !(stepLocal_0 >= var_1_7) [L140] var_1_1 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, stepLocal_0=1, stepLocal_1=2147483679, stepLocal_2=0, stepLocal_3=-1, stepLocal_4=-1, stepLocal_5=32767, stepLocal_6=126, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L226] RET step() [L227] CALL, EXPR property() [L216] EXPR (((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18)))) && ((((var_1_24 - var_1_25) / var_1_26) == (var_1_19 - (var_1_27 - var_1_18))) ? (var_1_23 == ((unsigned short int) (var_1_20 + var_1_18))) : 1)) && (((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) ? (var_1_28 == ((unsigned short int) (var_1_31 - var_1_21))) : (var_1_28 == ((unsigned short int) 50))) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216] EXPR (((((((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18)))) && ((((var_1_24 - var_1_25) / var_1_26) == (var_1_19 - (var_1_27 - var_1_18))) ? (var_1_23 == ((unsigned short int) (var_1_20 + var_1_18))) : 1)) && (((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) ? (var_1_28 == ((unsigned short int) (var_1_31 - var_1_21))) : (var_1_28 == ((unsigned short int) 50)))) && ((((((last_1_var_1_42) < (var_1_24)) ? (last_1_var_1_42) : (var_1_24))) != (last_1_var_1_38 + ((((last_1_var_1_28) < (last_1_var_1_23)) ? (last_1_var_1_28) : (last_1_var_1_23))))) ? (var_1_32 == ((unsigned short int) var_1_30)) : ((16.8f <= last_1_var_1_11) ? (var_1_32 == ((unsigned short int) var_1_21)) : (var_1_32 == ((unsigned short int) var_1_30))))) && (((var_1_29 & (var_1_8 ^ var_1_38)) < var_1_17) ? (var_1_34 == ((float) ((255.5f - var_1_35) + (((((var_1_36 - var_1_37)) < (var_1_5)) ? ((var_1_36 - var_1_37)) : (var_1_5)))))) : 1) VAL [isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L216-L217] return ((((((((((((((var_1_40 >= var_1_7) ? (var_1_1 == ((float) ((((var_1_4) > (9.999999996E8f)) ? (var_1_4) : (9.999999996E8f))))) : (var_1_1 == ((float) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_5 < var_1_4) ? (var_1_7 == ((unsigned long int) (((((var_1_8 - var_1_28)) < (var_1_17)) ? ((var_1_8 - var_1_28)) : (var_1_17))))) : (var_1_7 == ((unsigned long int) var_1_28)))) && ((((var_1_7 | var_1_8) > var_1_17) && var_1_13) ? (var_1_11 == ((float) var_1_5)) : 1)) && (var_1_12 ? (((var_1_28 + var_1_40) > (var_1_8 + var_1_17)) ? (var_1_13 == ((unsigned char) var_1_14)) : 1) : (var_1_13 == ((unsigned char) var_1_15)))) && ((var_1_28 <= ((var_1_28 ^ var_1_8) & var_1_23)) ? (var_1_16 == ((float) var_1_4)) : 1)) && ((-1 > ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? (var_1_17 == ((unsigned short int) ((var_1_18 + var_1_19) - ((var_1_20 - var_1_21) + 5)))) : 1)) && (((var_1_18 << var_1_32) <= (var_1_19 + var_1_20)) ? ((var_1_17 >= var_1_19) ? (var_1_22 == ((unsigned long int) var_1_18)) : (var_1_22 == ((unsigned long int) var_1_20))) : (var_1_22 == ((unsigned long int) var_1_18)))) && ((((var_1_24 - var_1_25) / var_1_26) == (var_1_19 - (var_1_27 - var_1_18))) ? (var_1_23 == ((unsigned short int) (var_1_20 + var_1_18))) : 1)) && (((last_1_var_1_40 / (var_1_29 - var_1_30)) > (var_1_19 << var_1_20)) ? (var_1_28 == ((unsigned short int) (var_1_31 - var_1_21))) : (var_1_28 == ((unsigned short int) 50)))) && ((((((last_1_var_1_42) < (var_1_24)) ? (last_1_var_1_42) : (var_1_24))) != (last_1_var_1_38 + ((((last_1_var_1_28) < (last_1_var_1_23)) ? (last_1_var_1_28) : (last_1_var_1_23))))) ? (var_1_32 == ((unsigned short int) var_1_30)) : ((16.8f <= last_1_var_1_11) ? (var_1_32 == ((unsigned short int) var_1_21)) : (var_1_32 == ((unsigned short int) var_1_30))))) && (((var_1_29 & (var_1_8 ^ var_1_38)) < var_1_17) ? (var_1_34 == ((float) ((255.5f - var_1_35) + (((((var_1_36 - var_1_37)) < (var_1_5)) ? ((var_1_36 - var_1_37)) : (var_1_5)))))) : 1)) && ((var_1_19 > var_1_32) ? (var_1_38 == ((signed short int) (var_1_29 + (((((var_1_21) < (var_1_30)) ? (var_1_21) : (var_1_30))) - (var_1_39 - 16))))) : 1)) && (var_1_14 ? (var_1_40 == ((signed long int) (((((var_1_30 + var_1_32)) < (var_1_23)) ? ((var_1_30 + var_1_32)) : (var_1_23))))) : (((var_1_32 / var_1_31) < var_1_32) ? (var_1_40 == ((signed long int) (var_1_39 + var_1_30))) : (var_1_40 == ((signed long int) var_1_25))))) && (var_1_42 == ((signed short int) var_1_25)) ; [L227] RET, EXPR property() [L227] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=1/2, last_1_var_1_23=1, last_1_var_1_28=1, last_1_var_1_38=-10, last_1_var_1_40=-2, last_1_var_1_42=-1, var_1_11=1/2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=259/8, var_1_17=32, var_1_18=16383, var_1_19=32767, var_1_1=2, var_1_20=8192, var_1_21=0, var_1_22=16383, var_1_23=1, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=1073741823, var_1_28=50, var_1_29=127, var_1_30=126, var_1_31=32767, var_1_32=126, var_1_38=-8421, var_1_39=8564, var_1_40=1, var_1_42=2, var_1_4=0, var_1_7=32, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 166.0s, OverallIterations: 20, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 115.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 15436 SdHoareTripleChecker+Valid, 50.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15303 mSDsluCounter, 19865 SdHoareTripleChecker+Invalid, 46.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15993 mSDsCounter, 4045 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24847 IncrementalHoareTripleChecker+Invalid, 28894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4045 mSolverCounterUnsat, 3872 mSDtfsCounter, 24847 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9208 GetRequests, 8474 SyntacticMatches, 5 SemanticMatches, 729 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 45097 ImplicationChecksByTransitivity, 66.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4813occurred in iteration=12, InterpolantAutomatonStates: 610, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 37187 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 34.2s InterpolantComputationTime, 5622 NumberOfCodeBlocks, 5622 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 8531 ConstructedInterpolants, 11 QuantifiedInterpolants, 46262 SizeOfPredicates, 119 NumberOfNonLiveVariables, 11535 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 32 InterpolantComputations, 5 PerfectInterpolantSequences, 96612/99840 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 [2023-11-28 20:43:00,446 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-28 20:43:00,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:43:02,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:43:02,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-28 20:43:02,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:43:02,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:43:02,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:43:02,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:43:02,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:43:02,464 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:43:02,465 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:43:02,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:43:02,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:43:02,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:43:02,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:43:02,468 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:43:02,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:43:02,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:43:02,469 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:43:02,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:43:02,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:43:02,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:43:02,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:43:02,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:43:02,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 20:43:02,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 20:43:02,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 20:43:02,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:43:02,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:43:02,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:43:02,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:43:02,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:43:02,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:43:02,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:43:02,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:43:02,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:43:02,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:43:02,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:43:02,477 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 20:43:02,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 20:43:02,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:43:02,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:43:02,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:43:02,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:43:02,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:43:02,479 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 20:43:02,479 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_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7af22c4985483bd6c8caf866cf1f41c10246f5959d956f77eec260fff7ae1f47 [2023-11-28 20:43:02,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:43:02,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:43:02,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:43:02,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:43:02,771 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:43:02,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2023-11-28 20:43:05,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:43:05,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:43:05,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i [2023-11-28 20:43:05,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data/622c502f0/3946c35538a54624ba79c7b029e8be64/FLAG9f0c29fa9 [2023-11-28 20:43:05,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/data/622c502f0/3946c35538a54624ba79c7b029e8be64 [2023-11-28 20:43:05,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:43:05,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:43:05,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:43:05,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:43:05,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:43:05,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:43:05" (1/1) ... [2023-11-28 20:43:05,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256d5207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:05, skipping insertion in model container [2023-11-28 20:43:05,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:43:05" (1/1) ... [2023-11-28 20:43:05,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:43:05,986 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_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2023-11-28 20:43:06,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:43:06,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:43:06,099 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_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-68.i[916,929] [2023-11-28 20:43:06,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:43:06,182 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:43:06,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06 WrapperNode [2023-11-28 20:43:06,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:43:06,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:43:06,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:43:06,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:43:06,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,256 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2023-11-28 20:43:06,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:43:06,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:43:06,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:43:06,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:43:06,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,292 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 20:43:06,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:43:06,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:43:06,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:43:06,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:43:06,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (1/1) ... [2023-11-28 20:43:06,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:43:06,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:43:06,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:43:06,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:43:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:43:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 20:43:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:43:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:43:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:43:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:43:06,504 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:43:06,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:43:08,733 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:43:08,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:43:08,787 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:43:08,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:43:08 BoogieIcfgContainer [2023-11-28 20:43:08,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:43:08,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:43:08,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:43:08,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:43:08,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:43:05" (1/3) ... [2023-11-28 20:43:08,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528646bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:43:08, skipping insertion in model container [2023-11-28 20:43:08,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:43:06" (2/3) ... [2023-11-28 20:43:08,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528646bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:43:08, skipping insertion in model container [2023-11-28 20:43:08,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:43:08" (3/3) ... [2023-11-28 20:43:08,797 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-68.i [2023-11-28 20:43:08,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:43:08,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:43:08,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:43:08,878 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2436eff0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:43:08,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:43:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 57 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 20:43:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-28 20:43:08,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:08,906 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:08,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:43:08,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash -546156208, now seen corresponding path program 1 times [2023-11-28 20:43:08,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:43:08,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437832659] [2023-11-28 20:43:08,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:08,929 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 [2023-11-28 20:43:08,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:43:08,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 20:43:08,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:09,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 20:43:09,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1158 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked. [2023-11-28 20:43:09,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:43:09,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:43:09,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437832659] [2023-11-28 20:43:09,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437832659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:43:09,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:43:09,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:43:09,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060124135] [2023-11-28 20:43:09,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:43:09,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:43:09,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:43:09,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:43:09,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:43:09,747 INFO L87 Difference]: Start difference. First operand has 99 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 57 states have internal predecessors, (78), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-28 20:43:11,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:43:11,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:11,479 INFO L93 Difference]: Finished difference Result 197 states and 355 transitions. [2023-11-28 20:43:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:43:11,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 247 [2023-11-28 20:43:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:11,488 INFO L225 Difference]: With dead ends: 197 [2023-11-28 20:43:11,488 INFO L226 Difference]: Without dead ends: 97 [2023-11-28 20:43:11,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:43:11,495 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:11,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 20:43:11,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-28 20:43:11,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-28 20:43:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 55 states have internal predecessors, (73), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 20:43:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 153 transitions. [2023-11-28 20:43:11,548 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 153 transitions. Word has length 247 [2023-11-28 20:43:11,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:11,549 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 153 transitions. [2023-11-28 20:43:11,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-28 20:43:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2023-11-28 20:43:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-28 20:43:11,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:11,556 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:11,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:11,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:11,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:43:11,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:11,758 INFO L85 PathProgramCache]: Analyzing trace with hash -82535532, now seen corresponding path program 1 times [2023-11-28 20:43:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:43:11,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529712596] [2023-11-28 20:43:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:11,760 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 [2023-11-28 20:43:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:43:11,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 20:43:11,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:12,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:43:12,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-28 20:43:12,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:43:12,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:43:12,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529712596] [2023-11-28 20:43:12,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529712596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:43:12,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:43:12,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:43:12,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300350027] [2023-11-28 20:43:12,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:43:12,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:43:12,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:43:12,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:43:12,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:43:12,364 INFO L87 Difference]: Start difference. First operand 97 states and 153 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:43:14,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:43:14,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:43:14,303 INFO L93 Difference]: Finished difference Result 193 states and 305 transitions. [2023-11-28 20:43:14,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:43:14,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247 [2023-11-28 20:43:14,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:43:14,308 INFO L225 Difference]: With dead ends: 193 [2023-11-28 20:43:14,308 INFO L226 Difference]: Without dead ends: 97 [2023-11-28 20:43:14,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:43:14,311 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 30 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:43:14,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 263 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-28 20:43:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-28 20:43:14,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-28 20:43:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.309090909090909) internal successors, (72), 55 states have internal predecessors, (72), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-28 20:43:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 152 transitions. [2023-11-28 20:43:14,331 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 152 transitions. Word has length 247 [2023-11-28 20:43:14,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:43:14,333 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 152 transitions. [2023-11-28 20:43:14,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-11-28 20:43:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-28 20:43:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-28 20:43:14,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:43:14,340 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:43:14,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:14,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:14,544 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:43:14,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:43:14,545 INFO L85 PathProgramCache]: Analyzing trace with hash -2076680238, now seen corresponding path program 1 times [2023-11-28 20:43:14,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:43:14,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576655137] [2023-11-28 20:43:14,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:14,546 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 [2023-11-28 20:43:14,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:43:14,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 20:43:14,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:43:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:15,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 20:43:15,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2073 proven. 228 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2023-11-28 20:43:18,319 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:19,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:43:19,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576655137] [2023-11-28 20:43:19,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576655137] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:19,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [209422417] [2023-11-28 20:43:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:43:19,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:43:19,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:43:19,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:43:19,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-28 20:43:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:43:22,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-28 20:43:22,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:43:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2102 proven. 342 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-28 20:43:28,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:43:30,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [209422417] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:43:30,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:43:30,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 26] total 31 [2023-11-28 20:43:30,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701540534] [2023-11-28 20:43:30,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:43:30,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-28 20:43:30,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:43:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-28 20:43:30,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1362, Unknown=0, NotChecked=0, Total=1560 [2023-11-28 20:43:30,992 INFO L87 Difference]: Start difference. First operand 97 states and 152 transitions. Second operand has 31 states, 31 states have (on average 3.838709677419355) internal successors, (119), 29 states have internal predecessors, (119), 9 states have call successors, (64), 9 states have call predecessors, (64), 13 states have return successors, (65), 9 states have call predecessors, (65), 9 states have call successors, (65) [2023-11-28 20:44:15,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:17,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:20,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:36,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:41,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:45,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:49,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:53,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:44:57,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:44:57,649 INFO L93 Difference]: Finished difference Result 371 states and 532 transitions. [2023-11-28 20:44:57,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-28 20:44:57,651 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.838709677419355) internal successors, (119), 29 states have internal predecessors, (119), 9 states have call successors, (64), 9 states have call predecessors, (64), 13 states have return successors, (65), 9 states have call predecessors, (65), 9 states have call successors, (65) Word has length 247 [2023-11-28 20:44:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:44:57,659 INFO L225 Difference]: With dead ends: 371 [2023-11-28 20:44:57,659 INFO L226 Difference]: Without dead ends: 275 [2023-11-28 20:44:57,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 46.6s TimeCoverageRelationStatistics Valid=1103, Invalid=4439, Unknown=8, NotChecked=0, Total=5550 [2023-11-28 20:44:57,665 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 736 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 192 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 2535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:44:57,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 1233 Invalid, 2535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 2338 Invalid, 5 Unknown, 0 Unchecked, 45.7s Time] [2023-11-28 20:44:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-28 20:44:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 212. [2023-11-28 20:44:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 145 states have (on average 1.289655172413793) internal successors, (187), 147 states have internal predecessors, (187), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-28 20:44:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 295 transitions. [2023-11-28 20:44:57,717 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 295 transitions. Word has length 247 [2023-11-28 20:44:57,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:44:57,719 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 295 transitions. [2023-11-28 20:44:57,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.838709677419355) internal successors, (119), 29 states have internal predecessors, (119), 9 states have call successors, (64), 9 states have call predecessors, (64), 13 states have return successors, (65), 9 states have call predecessors, (65), 9 states have call successors, (65) [2023-11-28 20:44:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 295 transitions. [2023-11-28 20:44:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-28 20:44:57,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:44:57,725 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:44:57,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-28 20:44:57,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-28 20:44:58,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:44:58,126 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:44:58,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:44:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1207169808, now seen corresponding path program 1 times [2023-11-28 20:44:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:44:58,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954377008] [2023-11-28 20:44:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:44:58,128 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 [2023-11-28 20:44:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:44:58,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 20:44:58,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:44:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:58,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-28 20:44:58,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:45:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2136 proven. 315 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2023-11-28 20:45:04,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:45:07,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:45:07,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954377008] [2023-11-28 20:45:07,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954377008] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:45:07,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1574903572] [2023-11-28 20:45:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:45:07,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:45:07,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:45:07,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:45:07,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-28 20:45:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:45:10,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-28 20:45:10,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:45:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2057 proven. 96 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2023-11-28 20:45:16,501 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:45:20,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1574903572] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:45:20,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:45:20,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 17] total 41 [2023-11-28 20:45:20,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790396608] [2023-11-28 20:45:20,437 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:45:20,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-11-28 20:45:20,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:45:20,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-11-28 20:45:20,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=2454, Unknown=0, NotChecked=0, Total=2756 [2023-11-28 20:45:20,442 INFO L87 Difference]: Start difference. First operand 212 states and 295 transitions. Second operand has 42 states, 42 states have (on average 3.4523809523809526) internal successors, (145), 38 states have internal predecessors, (145), 12 states have call successors, (80), 12 states have call predecessors, (80), 18 states have return successors, (80), 12 states have call predecessors, (80), 12 states have call successors, (80) [2023-11-28 20:45:35,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:45:44,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:45:46,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:45:51,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:45:54,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:46:19,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:46:31,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:46:33,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:46:53,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:46:57,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:01,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:05,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:10,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:12,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:16,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:20,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:30,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:34,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:47:38,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:48:06,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:48:19,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:48:29,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:48:47,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:48:52,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:48:52,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:48:52,040 INFO L93 Difference]: Finished difference Result 931 states and 1211 transitions. [2023-11-28 20:48:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-11-28 20:48:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 3.4523809523809526) internal successors, (145), 38 states have internal predecessors, (145), 12 states have call successors, (80), 12 states have call predecessors, (80), 18 states have return successors, (80), 12 states have call predecessors, (80), 12 states have call successors, (80) Word has length 247 [2023-11-28 20:48:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:48:52,049 INFO L225 Difference]: With dead ends: 931 [2023-11-28 20:48:52,050 INFO L226 Difference]: Without dead ends: 720 [2023-11-28 20:48:52,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6711 ImplicationChecksByTransitivity, 123.6s TimeCoverageRelationStatistics Valid=2494, Invalid=17796, Unknown=16, NotChecked=0, Total=20306 [2023-11-28 20:48:52,060 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 1394 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 3545 mSolverCounterSat, 610 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 3545 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:48:52,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 1772 Invalid, 4170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [610 Valid, 3545 Invalid, 15 Unknown, 0 Unchecked, 97.7s Time] [2023-11-28 20:48:52,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2023-11-28 20:48:52,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 585. [2023-11-28 20:48:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 367 states have (on average 1.1662125340599454) internal successors, (428), 371 states have internal predecessors, (428), 163 states have call successors, (163), 54 states have call predecessors, (163), 54 states have return successors, (163), 159 states have call predecessors, (163), 163 states have call successors, (163) [2023-11-28 20:48:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 754 transitions. [2023-11-28 20:48:52,198 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 754 transitions. Word has length 247 [2023-11-28 20:48:52,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:48:52,200 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 754 transitions. [2023-11-28 20:48:52,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.4523809523809526) internal successors, (145), 38 states have internal predecessors, (145), 12 states have call successors, (80), 12 states have call predecessors, (80), 18 states have return successors, (80), 12 states have call predecessors, (80), 12 states have call successors, (80) [2023-11-28 20:48:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 754 transitions. [2023-11-28 20:48:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-28 20:48:52,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:48:52,202 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:48:52,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-28 20:48:52,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:48:52,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:48:52,603 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:48:52,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:48:52,604 INFO L85 PathProgramCache]: Analyzing trace with hash 389521358, now seen corresponding path program 1 times [2023-11-28 20:48:52,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:48:52,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900370633] [2023-11-28 20:48:52,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:48:52,605 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 [2023-11-28 20:48:52,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:48:52,606 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 20:48:52,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-28 20:48:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:48:53,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 20:48:53,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:48:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2023-11-28 20:48:54,926 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:48:56,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:48:56,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900370633] [2023-11-28 20:48:56,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900370633] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:48:56,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [159468684] [2023-11-28 20:48:56,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:48:56,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:48:56,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:48:56,471 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:48:56,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-28 20:48:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:48:58,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-28 20:48:58,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:49:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1093 proven. 24 refuted. 0 times theorem prover too weak. 2003 trivial. 0 not checked. [2023-11-28 20:49:00,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:49:00,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [159468684] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:49:00,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:49:00,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2023-11-28 20:49:00,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882406765] [2023-11-28 20:49:00,910 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:49:00,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-28 20:49:00,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:49:00,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-28 20:49:00,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2023-11-28 20:49:00,912 INFO L87 Difference]: Start difference. First operand 585 states and 754 transitions. Second operand has 20 states, 20 states have (on average 4.4) internal successors, (88), 18 states have internal predecessors, (88), 4 states have call successors, (49), 4 states have call predecessors, (49), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-28 20:49:05,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:49:08,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:49:15,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-28 20:49:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:49:16,441 INFO L93 Difference]: Finished difference Result 1524 states and 1929 transitions. [2023-11-28 20:49:16,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-28 20:49:16,442 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.4) internal successors, (88), 18 states have internal predecessors, (88), 4 states have call successors, (49), 4 states have call predecessors, (49), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 247 [2023-11-28 20:49:16,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:49:16,448 INFO L225 Difference]: With dead ends: 1524 [2023-11-28 20:49:16,449 INFO L226 Difference]: Without dead ends: 1067 [2023-11-28 20:49:16,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=934, Invalid=2726, Unknown=0, NotChecked=0, Total=3660 [2023-11-28 20:49:16,452 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 729 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 405 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:49:16,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1147 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 2038 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-11-28 20:49:16,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2023-11-28 20:49:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 730. [2023-11-28 20:49:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 455 states have (on average 1.1538461538461537) internal successors, (525), 460 states have internal predecessors, (525), 204 states have call successors, (204), 70 states have call predecessors, (204), 70 states have return successors, (204), 199 states have call predecessors, (204), 204 states have call successors, (204) [2023-11-28 20:49:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 933 transitions. [2023-11-28 20:49:16,635 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 933 transitions. Word has length 247 [2023-11-28 20:49:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:49:16,636 INFO L495 AbstractCegarLoop]: Abstraction has 730 states and 933 transitions. [2023-11-28 20:49:16,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.4) internal successors, (88), 18 states have internal predecessors, (88), 4 states have call successors, (49), 4 states have call predecessors, (49), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2023-11-28 20:49:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 933 transitions. [2023-11-28 20:49:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-28 20:49:16,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:49:16,639 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:49:16,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-28 20:49:16,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-28 20:49:17,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-28 20:49:17,040 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:49:17,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:49:17,040 INFO L85 PathProgramCache]: Analyzing trace with hash 389580940, now seen corresponding path program 1 times [2023-11-28 20:49:17,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:49:17,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379412535] [2023-11-28 20:49:17,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:49:17,041 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 [2023-11-28 20:49:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:49:17,042 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-28 20:49:17,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca94ad3-fc56-4671-bf3c-f7c8ab86916f/bin/uautomizer-verify-BQ2R08f2Ya/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 (10)] Waiting until timeout for monitored process [2023-11-28 20:49:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:49:17,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-28 20:49:17,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:52:50,870 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)