./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme --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 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:55,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:55,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:56:55,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:55,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:55,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:55,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:55,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:55,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:55,668 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:55,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:55,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:55,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:55,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:55,673 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:55,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:55,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:56:55,674 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:56:55,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:55,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:56:55,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:55,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:56:55,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:55,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:56:55,677 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:56:55,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:55,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:55,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:55,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:55,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:56:55,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:55,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:55,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:55,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:55,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:56:55,683 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:55,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:56:55,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:55,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:55,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:56:55,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:55,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:55,685 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_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c [2023-11-26 11:56:55,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:55,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:55,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:56,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:56,000 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:56,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-26 11:56:59,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:59,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:59,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-26 11:56:59,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data/ff4270606/340e3b6b94ee4df8bb4c6f5268e693f7/FLAG0bf7c76b9 [2023-11-26 11:56:59,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data/ff4270606/340e3b6b94ee4df8bb4c6f5268e693f7 [2023-11-26 11:56:59,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:59,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:59,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:59,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:59,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:59,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500de57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59, skipping insertion in model container [2023-11-26 11:56:59,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:59,620 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_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-26 11:56:59,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:59,708 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:59,721 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_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-26 11:56:59,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:59,778 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:59,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59 WrapperNode [2023-11-26 11:56:59,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:59,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:59,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:59,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:59,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,846 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-26 11:56:59,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:59,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:59,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:59,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:59,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,912 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]. [2023-11-26 11:56:59,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:59,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:59,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:59,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:59,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (1/1) ... [2023-11-26 11:56:59,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:00,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:00,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:57:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:57:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:57:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:57:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:57:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:57:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:57:00,146 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:57:00,148 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:00,618 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:00,660 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:00,660 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:57:00,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:00 BoogieIcfgContainer [2023-11-26 11:57:00,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:00,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:57:00,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:57:00,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:57:00,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:59" (1/3) ... [2023-11-26 11:57:00,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de8f726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:00, skipping insertion in model container [2023-11-26 11:57:00,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:59" (2/3) ... [2023-11-26 11:57:00,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de8f726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:00, skipping insertion in model container [2023-11-26 11:57:00,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:00" (3/3) ... [2023-11-26 11:57:00,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-26 11:57:00,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:57:00,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:57:00,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:57:00,753 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;@7d2ea790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:57:00,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:57:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 53 states have (on average 1.528301886792453) internal successors, (81), 54 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:57:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-26 11:57:00,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:00,780 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:00,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:00,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:00,786 INFO L85 PathProgramCache]: Analyzing trace with hash -719175784, now seen corresponding path program 1 times [2023-11-26 11:57:00,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:00,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974731737] [2023-11-26 11:57:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:01,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:01,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974731737] [2023-11-26 11:57:01,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:57:01,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159971271] [2023-11-26 11:57:01,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:01,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:01,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:01,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:01,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:57:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:01,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:57:01,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-26 11:57:01,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:01,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159971271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:01,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:01,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:01,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802491917] [2023-11-26 11:57:01,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:01,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:57:01,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:01,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:57:01,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:01,419 INFO L87 Difference]: Start difference. First operand has 82 states, 53 states have (on average 1.528301886792453) internal successors, (81), 54 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:57:01,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:01,476 INFO L93 Difference]: Finished difference Result 161 states and 290 transitions. [2023-11-26 11:57:01,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:57:01,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-11-26 11:57:01,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:01,487 INFO L225 Difference]: With dead ends: 161 [2023-11-26 11:57:01,487 INFO L226 Difference]: Without dead ends: 80 [2023-11-26 11:57:01,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:01,496 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:01,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:57:01,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-26 11:57:01,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-26 11:57:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:57:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 127 transitions. [2023-11-26 11:57:01,556 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 127 transitions. Word has length 164 [2023-11-26 11:57:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:01,557 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 127 transitions. [2023-11-26 11:57:01,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:57:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2023-11-26 11:57:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-26 11:57:01,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:01,563 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:01,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:01,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 11:57:01,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:01,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1358561308, now seen corresponding path program 1 times [2023-11-26 11:57:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:01,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654695887] [2023-11-26 11:57:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:01,847 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:01,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613073252] [2023-11-26 11:57:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:01,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:01,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:01,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:01,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:57:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:02,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:57:02,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:57:02,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:02,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:02,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654695887] [2023-11-26 11:57:02,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:02,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613073252] [2023-11-26 11:57:02,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613073252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:02,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:02,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:02,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941591790] [2023-11-26 11:57:02,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:02,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:02,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:02,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:02,386 INFO L87 Difference]: Start difference. First operand 80 states and 127 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:02,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:02,476 INFO L93 Difference]: Finished difference Result 238 states and 379 transitions. [2023-11-26 11:57:02,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:02,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-11-26 11:57:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:02,481 INFO L225 Difference]: With dead ends: 238 [2023-11-26 11:57:02,481 INFO L226 Difference]: Without dead ends: 159 [2023-11-26 11:57:02,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:02,484 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 41 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:02,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 246 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:57:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-26 11:57:02,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2023-11-26 11:57:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.411764705882353) internal successors, (144), 102 states have internal predecessors, (144), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-26 11:57:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 248 transitions. [2023-11-26 11:57:02,522 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 248 transitions. Word has length 164 [2023-11-26 11:57:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:02,523 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 248 transitions. [2023-11-26 11:57:02,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 248 transitions. [2023-11-26 11:57:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 11:57:02,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:02,528 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:02,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 11:57:02,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:02,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:02,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:02,736 INFO L85 PathProgramCache]: Analyzing trace with hash -508210333, now seen corresponding path program 1 times [2023-11-26 11:57:02,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:02,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415497238] [2023-11-26 11:57:02,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:02,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:02,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:02,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1867120260] [2023-11-26 11:57:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:02,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:02,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:02,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:57:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:02,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:57:02,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:57:03,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:03,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:03,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415497238] [2023-11-26 11:57:03,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:03,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867120260] [2023-11-26 11:57:03,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867120260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:03,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:03,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:57:03,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291057561] [2023-11-26 11:57:03,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:03,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:03,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:03,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:03,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:03,048 INFO L87 Difference]: Start difference. First operand 157 states and 248 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:03,127 INFO L93 Difference]: Finished difference Result 369 states and 582 transitions. [2023-11-26 11:57:03,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:03,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-11-26 11:57:03,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:03,135 INFO L225 Difference]: With dead ends: 369 [2023-11-26 11:57:03,135 INFO L226 Difference]: Without dead ends: 213 [2023-11-26 11:57:03,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:03,139 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 37 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:03,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 266 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:57:03,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-26 11:57:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 175. [2023-11-26 11:57:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 120 states have (on average 1.4166666666666667) internal successors, (170), 120 states have internal predecessors, (170), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-26 11:57:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2023-11-26 11:57:03,203 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 165 [2023-11-26 11:57:03,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:03,204 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2023-11-26 11:57:03,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2023-11-26 11:57:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 11:57:03,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:03,215 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:03,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:03,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:03,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:03,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash 87723329, now seen corresponding path program 1 times [2023-11-26 11:57:03,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:03,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198870299] [2023-11-26 11:57:03,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:03,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:03,500 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:03,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996141811] [2023-11-26 11:57:03,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:03,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:03,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:03,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:03,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:57:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:03,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:57:03,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:57:03,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:03,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:03,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198870299] [2023-11-26 11:57:03,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:03,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996141811] [2023-11-26 11:57:03,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996141811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:03,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:03,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:57:03,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529556818] [2023-11-26 11:57:03,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:03,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:03,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:03,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:03,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:03,736 INFO L87 Difference]: Start difference. First operand 175 states and 274 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:03,854 INFO L93 Difference]: Finished difference Result 519 states and 814 transitions. [2023-11-26 11:57:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:03,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-11-26 11:57:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:03,864 INFO L225 Difference]: With dead ends: 519 [2023-11-26 11:57:03,864 INFO L226 Difference]: Without dead ends: 345 [2023-11-26 11:57:03,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:03,876 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 115 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:03,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 335 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:57:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-11-26 11:57:03,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2023-11-26 11:57:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-26 11:57:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 534 transitions. [2023-11-26 11:57:03,937 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 534 transitions. Word has length 165 [2023-11-26 11:57:03,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:03,939 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 534 transitions. [2023-11-26 11:57:03,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 534 transitions. [2023-11-26 11:57:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:57:03,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:03,949 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:03,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:04,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:04,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:04,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:04,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2080534576, now seen corresponding path program 1 times [2023-11-26 11:57:04,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:04,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950957074] [2023-11-26 11:57:04,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:04,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:04,218 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:04,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621419514] [2023-11-26 11:57:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:04,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:04,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:04,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:57:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:04,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:57:04,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:57:04,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:04,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:04,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950957074] [2023-11-26 11:57:04,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:04,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621419514] [2023-11-26 11:57:04,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621419514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:04,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:04,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:57:04,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009602664] [2023-11-26 11:57:04,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:04,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:57:04,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:04,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:57:04,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:57:04,659 INFO L87 Difference]: Start difference. First operand 343 states and 534 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:05,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:05,160 INFO L93 Difference]: Finished difference Result 1129 states and 1752 transitions. [2023-11-26 11:57:05,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:57:05,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2023-11-26 11:57:05,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:05,169 INFO L225 Difference]: With dead ends: 1129 [2023-11-26 11:57:05,169 INFO L226 Difference]: Without dead ends: 787 [2023-11-26 11:57:05,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:57:05,172 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 365 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:05,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 772 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:57:05,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2023-11-26 11:57:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 685. [2023-11-26 11:57:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 468 states have (on average 1.3824786324786325) internal successors, (647), 468 states have internal predecessors, (647), 208 states have call successors, (208), 8 states have call predecessors, (208), 8 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-26 11:57:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1063 transitions. [2023-11-26 11:57:05,278 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1063 transitions. Word has length 166 [2023-11-26 11:57:05,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:05,279 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 1063 transitions. [2023-11-26 11:57:05,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1063 transitions. [2023-11-26 11:57:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:57:05,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:05,282 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:05,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:05,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:05,489 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:05,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:05,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1338777899, now seen corresponding path program 1 times [2023-11-26 11:57:05,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:05,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966411045] [2023-11-26 11:57:05,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:05,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:05,523 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:05,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414055584] [2023-11-26 11:57:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:05,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:05,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:05,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 11:57:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:05,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 11:57:05,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-26 11:57:07,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:07,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:07,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966411045] [2023-11-26 11:57:07,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:07,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414055584] [2023-11-26 11:57:07,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414055584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:07,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:07,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:57:07,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987259510] [2023-11-26 11:57:07,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:07,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:57:07,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:57:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:57:07,368 INFO L87 Difference]: Start difference. First operand 685 states and 1063 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-26 11:57:07,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:07,741 INFO L93 Difference]: Finished difference Result 1543 states and 2390 transitions. [2023-11-26 11:57:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:57:07,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 166 [2023-11-26 11:57:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:07,750 INFO L225 Difference]: With dead ends: 1543 [2023-11-26 11:57:07,750 INFO L226 Difference]: Without dead ends: 859 [2023-11-26 11:57:07,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:57:07,754 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 160 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:07,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 325 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:57:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2023-11-26 11:57:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 770. [2023-11-26 11:57:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 526 states have (on average 1.3783269961977187) internal successors, (725), 526 states have internal predecessors, (725), 234 states have call successors, (234), 9 states have call predecessors, (234), 9 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2023-11-26 11:57:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1193 transitions. [2023-11-26 11:57:07,850 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1193 transitions. Word has length 166 [2023-11-26 11:57:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:07,851 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1193 transitions. [2023-11-26 11:57:07,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-26 11:57:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1193 transitions. [2023-11-26 11:57:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:57:07,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:07,854 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:07,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:08,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:08,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:08,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:08,062 INFO L85 PathProgramCache]: Analyzing trace with hash 712250747, now seen corresponding path program 1 times [2023-11-26 11:57:08,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:08,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742930958] [2023-11-26 11:57:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:08,104 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:08,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30731231] [2023-11-26 11:57:08,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:08,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:08,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:08,106 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:08,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 11:57:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:08,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:57:08,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 848 proven. 120 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-11-26 11:57:09,265 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:57:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 87 proven. 129 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2023-11-26 11:57:10,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:10,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742930958] [2023-11-26 11:57:10,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:10,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30731231] [2023-11-26 11:57:10,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30731231] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:57:10,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:57:10,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-11-26 11:57:10,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913880797] [2023-11-26 11:57:10,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:57:10,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-26 11:57:10,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:10,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-26 11:57:10,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2023-11-26 11:57:10,943 INFO L87 Difference]: Start difference. First operand 770 states and 1193 transitions. Second operand has 22 states, 22 states have (on average 4.045454545454546) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (45), 4 states have call predecessors, (45), 10 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) [2023-11-26 11:57:11,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:11,970 INFO L93 Difference]: Finished difference Result 1126 states and 1680 transitions. [2023-11-26 11:57:11,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-26 11:57:11,971 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.045454545454546) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (45), 4 states have call predecessors, (45), 10 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) Word has length 166 [2023-11-26 11:57:11,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:11,977 INFO L225 Difference]: With dead ends: 1126 [2023-11-26 11:57:11,977 INFO L226 Difference]: Without dead ends: 614 [2023-11-26 11:57:11,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=437, Invalid=969, Unknown=0, NotChecked=0, Total=1406 [2023-11-26 11:57:11,985 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 214 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:11,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 255 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:57:11,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2023-11-26 11:57:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 590. [2023-11-26 11:57:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 409 states have (on average 1.3202933985330074) internal successors, (540), 409 states have internal predecessors, (540), 156 states have call successors, (156), 24 states have call predecessors, (156), 24 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2023-11-26 11:57:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 852 transitions. [2023-11-26 11:57:12,083 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 852 transitions. Word has length 166 [2023-11-26 11:57:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:12,086 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 852 transitions. [2023-11-26 11:57:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.045454545454546) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (45), 4 states have call predecessors, (45), 10 states have return successors, (46), 7 states have call predecessors, (46), 7 states have call successors, (46) [2023-11-26 11:57:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 852 transitions. [2023-11-26 11:57:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:57:12,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:12,090 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:12,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:12,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:12,297 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:12,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:12,298 INFO L85 PathProgramCache]: Analyzing trace with hash -317709545, now seen corresponding path program 1 times [2023-11-26 11:57:12,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:12,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315253506] [2023-11-26 11:57:12,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:12,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:12,334 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:12,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221696115] [2023-11-26 11:57:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:12,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:12,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:12,336 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:12,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 11:57:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:12,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:57:12,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-26 11:57:13,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:13,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:13,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315253506] [2023-11-26 11:57:13,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:13,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221696115] [2023-11-26 11:57:13,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221696115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:13,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:13,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:57:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87701427] [2023-11-26 11:57:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:13,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:57:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:13,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:57:13,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:57:13,103 INFO L87 Difference]: Start difference. First operand 590 states and 852 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:57:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:13,716 INFO L93 Difference]: Finished difference Result 1585 states and 2296 transitions. [2023-11-26 11:57:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:57:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-11-26 11:57:13,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:13,727 INFO L225 Difference]: With dead ends: 1585 [2023-11-26 11:57:13,727 INFO L226 Difference]: Without dead ends: 1289 [2023-11-26 11:57:13,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:57:13,730 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 183 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:13,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 614 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:57:13,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2023-11-26 11:57:13,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1273. [2023-11-26 11:57:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 882 states have (on average 1.3276643990929706) internal successors, (1171), 882 states have internal predecessors, (1171), 338 states have call successors, (338), 52 states have call predecessors, (338), 52 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2023-11-26 11:57:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1847 transitions. [2023-11-26 11:57:13,951 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1847 transitions. Word has length 166 [2023-11-26 11:57:13,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:13,952 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 1847 transitions. [2023-11-26 11:57:13,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:57:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1847 transitions. [2023-11-26 11:57:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 11:57:13,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:13,956 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:13,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:14,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:14,163 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:14,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:14,164 INFO L85 PathProgramCache]: Analyzing trace with hash -306862116, now seen corresponding path program 1 times [2023-11-26 11:57:14,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:14,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101352462] [2023-11-26 11:57:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:14,198 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:14,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775286187] [2023-11-26 11:57:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:14,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:14,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:14,200 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 11:57:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:14,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:57:14,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:57:14,810 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:14,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:14,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101352462] [2023-11-26 11:57:14,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:57:14,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775286187] [2023-11-26 11:57:14,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775286187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:14,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:14,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:57:14,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783451433] [2023-11-26 11:57:14,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:14,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:57:14,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:14,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:57:14,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:57:14,816 INFO L87 Difference]: Start difference. First operand 1273 states and 1847 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:15,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:15,504 INFO L93 Difference]: Finished difference Result 1868 states and 2703 transitions. [2023-11-26 11:57:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:57:15,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-11-26 11:57:15,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:15,516 INFO L225 Difference]: With dead ends: 1868 [2023-11-26 11:57:15,517 INFO L226 Difference]: Without dead ends: 1376 [2023-11-26 11:57:15,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:57:15,521 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 155 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:15,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 685 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:57:15,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2023-11-26 11:57:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1370. [2023-11-26 11:57:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 949 states have (on average 1.3245521601685986) internal successors, (1257), 949 states have internal predecessors, (1257), 364 states have call successors, (364), 56 states have call predecessors, (364), 56 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2023-11-26 11:57:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1985 transitions. [2023-11-26 11:57:15,742 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1985 transitions. Word has length 167 [2023-11-26 11:57:15,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:15,743 INFO L495 AbstractCegarLoop]: Abstraction has 1370 states and 1985 transitions. [2023-11-26 11:57:15,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:57:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1985 transitions. [2023-11-26 11:57:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 11:57:15,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:15,750 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:15,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:15,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:15,963 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:15,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1580682715, now seen corresponding path program 1 times [2023-11-26 11:57:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948554683] [2023-11-26 11:57:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:15,996 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:15,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021206107] [2023-11-26 11:57:15,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:15,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:15,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:15,998 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:16,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 11:57:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:16,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:16,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:16,577 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:57:16,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:57:16,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:16,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 11:57:16,792 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:16,796 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:57:16,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:57:16,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-26 11:57:16,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:57:16 BoogieIcfgContainer [2023-11-26 11:57:16,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:57:16,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:57:16,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:57:16,952 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:57:16,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:00" (3/4) ... [2023-11-26 11:57:16,955 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:57:16,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:57:16,957 INFO L158 Benchmark]: Toolchain (without parser) took 17535.16ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 137.4MB in the beginning and 105.2MB in the end (delta: 32.2MB). Peak memory consumption was 167.2MB. Max. memory is 16.1GB. [2023-11-26 11:57:16,957 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:16,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.89ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 122.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:57:16,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.31ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:57:16,958 INFO L158 Benchmark]: Boogie Preprocessor took 126.28ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 113.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:57:16,958 INFO L158 Benchmark]: RCFGBuilder took 686.87ms. Allocated memory is still 176.2MB. Free memory was 113.1MB in the beginning and 132.2MB in the end (delta: -19.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-26 11:57:16,959 INFO L158 Benchmark]: TraceAbstraction took 16287.16ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 132.2MB in the beginning and 105.2MB in the end (delta: 27.0MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. [2023-11-26 11:57:16,959 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 308.3MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:16,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.89ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 122.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.31ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.28ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 113.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 686.87ms. Allocated memory is still 176.2MB. Free memory was 113.1MB in the beginning and 132.2MB in the end (delta: -19.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16287.16ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 132.2MB in the beginning and 105.2MB in the end (delta: 27.0MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 308.3MB. Free memory is still 105.2MB. 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~short20 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 someBinaryDOUBLEComparisonOperation at line 158, overapproximation of bitwiseOr at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] unsigned long int var_1_25 = 4; [L39] unsigned short int var_1_26 = 2; [L40] unsigned short int var_1_27 = 100; [L41] signed char var_1_28 = 32; [L42] double var_1_29 = 16.25; [L43] double var_1_30 = 15.75; [L44] unsigned char var_1_31 = 0; [L45] unsigned char var_1_32 = 0; [L46] unsigned char var_1_33 = 0; [L47] unsigned char var_1_34 = 0; [L48] float var_1_35 = 7.25; [L49] float var_1_36 = 1.75; [L50] signed long int var_1_37 = 0; [L51] unsigned long int last_1_var_1_10 = 256; [L52] unsigned char last_1_var_1_20 = 32; [L162] isInitial = 1 [L163] FCALL initially() [L164] COND TRUE 1 [L165] CALL updateLastVariables() [L154] last_1_var_1_10 = var_1_10 [L155] last_1_var_1_20 = var_1_20 [L165] RET updateLastVariables() [L166] CALL updateVariables() [L112] var_1_3 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_5=-32, var_1_6=256] [L113] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_5=-32, var_1_6=256] [L114] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L114] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L115] var_1_5 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L116] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L117] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L117] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L118] var_1_13 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L119] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L120] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L120] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L121] var_1_14 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L122] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L123] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L123] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L124] var_1_15 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L125] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L126] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L126] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L127] var_1_16 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L128] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L129] var_1_21 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L130] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L131] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L131] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L132] var_1_22 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L133] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L134] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L134] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L135] var_1_25 = __VERIFIER_nondet_ulong() [L136] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L136] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L137] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L137] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L138] var_1_27 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L139] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L140] CALL assume_abort_if_not(var_1_27 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L140] RET assume_abort_if_not(var_1_27 <= 65534) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L141] var_1_30 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L142] RET assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L143] var_1_32 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L144] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L145] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L146] var_1_33 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L147] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_33 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L148] RET assume_abort_if_not(var_1_33 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L149] var_1_34 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L150] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L151] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L151] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4294967294, var_1_26=2, var_1_27=0, var_1_28=32, var_1_29=65/4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L166] RET updateVariables() [L167] CALL step() [L56] var_1_24 = var_1_25 [L57] var_1_26 = var_1_27 [L58] var_1_28 = -2 [L59] var_1_29 = var_1_30 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L60] COND TRUE var_1_32 || var_1_33 [L61] var_1_31 = var_1_34 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L63] var_1_35 = var_1_30 [L64] var_1_36 = var_1_30 [L65] var_1_37 = var_1_27 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L66] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L71] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=0, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L72] COND FALSE !(stepLocal_2 > last_1_var_1_10) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=0, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L75] COND FALSE !((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=0, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L80] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=0, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=127, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L81] COND FALSE !(stepLocal_1 || var_1_3) [L86] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=0, var_1_10=256, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L88] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=0, var_1_10=256, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L99] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=0, var_1_10=256, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L104] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=0, var_1_10=256, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L104] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L105] COND TRUE var_1_20 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=352, stepLocal_1=0, stepLocal_2=0, var_1_10=256, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L106] COND TRUE var_1_12 == var_1_12 [L107] var_1_10 = 0u VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=352, stepLocal_1=0, stepLocal_2=0, var_1_10=0, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L167] RET step() [L168] CALL, EXPR property() [L158] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L158-L159] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L168] RET, EXPR property() [L168] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=0, var_1_14=127, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=4294967294, var_1_25=4294967294, var_1_26=0, var_1_27=0, var_1_28=-2, var_1_29=2, var_1_30=2, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=2, var_1_36=2, var_1_37=0, var_1_3=0, var_1_5=64, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 10, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1270 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1270 mSDsluCounter, 3622 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2225 mSDsCounter, 333 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1313 IncrementalHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 333 mSolverCounterUnsat, 1397 mSDtfsCounter, 1313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1673 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1370occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 279 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1820 NumberOfCodeBlocks, 1820 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1645 ConstructedInterpolants, 0 QuantifiedInterpolants, 8211 SizeOfPredicates, 30 NumberOfNonLiveVariables, 3571 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 12751/13000 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 [2023-11-26 11:57:16,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme --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 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:57:19,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:57:19,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:57:19,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:57:19,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:57:19,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:57:19,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:57:19,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:57:19,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:57:19,691 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:57:19,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:57:19,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:57:19,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:57:19,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:57:19,695 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:57:19,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:57:19,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:57:19,697 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:57:19,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:57:19,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:57:19,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:57:19,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:57:19,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:57:19,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:57:19,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:57:19,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:57:19,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:57:19,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:57:19,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:57:19,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:57:19,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:57:19,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:57:19,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:57:19,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:19,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:57:19,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:57:19,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:57:19,708 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:57:19,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:57:19,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:57:19,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:57:19,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:57:19,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:57:19,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:57:19,710 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:57:19,711 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_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c [2023-11-26 11:57:20,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:57:20,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:57:20,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:57:20,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:57:20,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:57:20,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-26 11:57:23,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:57:23,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:57:23,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-26 11:57:23,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data/2649108c2/4eec8f0e01b24811879bad219a76123f/FLAG7dcfe89f5 [2023-11-26 11:57:23,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/data/2649108c2/4eec8f0e01b24811879bad219a76123f [2023-11-26 11:57:23,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:57:23,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:57:23,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:23,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:57:23,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:57:23,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:23" (1/1) ... [2023-11-26 11:57:23,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc3482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:23, skipping insertion in model container [2023-11-26 11:57:23,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:23" (1/1) ... [2023-11-26 11:57:23,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:57:23,973 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_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-26 11:57:24,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:24,114 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:57:24,131 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_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-26 11:57:24,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:24,243 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:57:24,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24 WrapperNode [2023-11-26 11:57:24,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:24,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:24,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:57:24,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:57:24,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,320 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-26 11:57:24,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:24,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:57:24,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:57:24,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:57:24,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,381 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]. [2023-11-26 11:57:24,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:57:24,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:57:24,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:57:24,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:57:24,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (1/1) ... [2023-11-26 11:57:24,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:24,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:24,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:24,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:57:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:57:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:57:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:57:24,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:57:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:57:24,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:57:24,665 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:57:24,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:42,086 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:42,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:42,156 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:57:42,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:42 BoogieIcfgContainer [2023-11-26 11:57:42,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:42,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:57:42,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:57:42,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:57:42,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:57:23" (1/3) ... [2023-11-26 11:57:42,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d0617a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:42, skipping insertion in model container [2023-11-26 11:57:42,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:24" (2/3) ... [2023-11-26 11:57:42,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d0617a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:42, skipping insertion in model container [2023-11-26 11:57:42,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:42" (3/3) ... [2023-11-26 11:57:42,170 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-26 11:57:42,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:57:42,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:57:42,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:57:42,265 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;@77c72cd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:57:42,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:57:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 45 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:57:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-26 11:57:42,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:42,294 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:42,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:42,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1790920326, now seen corresponding path program 1 times [2023-11-26 11:57:42,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:57:42,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701958424] [2023-11-26 11:57:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:42,318 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 [2023-11-26 11:57:42,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:57:42,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:57:42,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:43,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:57:43,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-26 11:57:43,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:43,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:57:43,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701958424] [2023-11-26 11:57:43,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701958424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:43,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:43,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:43,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207850390] [2023-11-26 11:57:43,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:43,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:57:43,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:57:43,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:57:43,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:43,696 INFO L87 Difference]: Start difference. First operand has 73 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 45 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:57:49,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:57:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:49,036 INFO L93 Difference]: Finished difference Result 143 states and 258 transitions. [2023-11-26 11:57:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:57:49,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2023-11-26 11:57:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:49,388 INFO L225 Difference]: With dead ends: 143 [2023-11-26 11:57:49,389 INFO L226 Difference]: Without dead ends: 71 [2023-11-26 11:57:49,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:49,396 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:49,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2023-11-26 11:57:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-26 11:57:49,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-26 11:57:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:57:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-26 11:57:49,448 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 161 [2023-11-26 11:57:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:49,449 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-26 11:57:49,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:57:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-26 11:57:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-26 11:57:49,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:49,455 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:49,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 11:57:49,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:49,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:49,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:49,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1570698370, now seen corresponding path program 1 times [2023-11-26 11:57:49,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:57:49,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556830135] [2023-11-26 11:57:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:49,671 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 [2023-11-26 11:57:49,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:57:49,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:57:49,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fb99ae-32fa-4a67-a34e-4ff0615128f5/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:50,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:57:50,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:57:53,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:53,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:57:53,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556830135] [2023-11-26 11:57:53,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556830135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:53,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:53,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:57:53,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102252484] [2023-11-26 11:57:53,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:53,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:57:53,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:57:53,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:57:53,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:57:53,456 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)