./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 62bf3dfe88b7b7f16a2317bf4b03356735885070ddf7d29f329649cb5fd7ab4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:02,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:02,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:51:02,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:02,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:02,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:02,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:02,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:02,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:51:02,505 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:51:02,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:51:02,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:51:02,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:02,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:02,510 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:02,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:02,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:51:02,511 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:51:02,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:51:02,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:51:02,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:02,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:51:02,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:51:02,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:51:02,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:51:02,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:02,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:02,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:02,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:02,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:51:02,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:51:02,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:02,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:02,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:51:02,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:51:02,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:51:02,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:51:02,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:51:02,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:51:02,522 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:51:02,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:51:02,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:51:02,523 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_e9d364ce-4ecd-4751-8a5f-3043b961013a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62bf3dfe88b7b7f16a2317bf4b03356735885070ddf7d29f329649cb5fd7ab4b [2023-11-26 11:51:02,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:02,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:02,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:02,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:02,894 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:02,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i [2023-11-26 11:51:06,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:06,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:06,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i [2023-11-26 11:51:06,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data/c4bb26b17/c1d09971d67e40e28b460e4735c378a2/FLAG48acf6494 [2023-11-26 11:51:06,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data/c4bb26b17/c1d09971d67e40e28b460e4735c378a2 [2023-11-26 11:51:06,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:06,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:06,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:06,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:06,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:06,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:06,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47073584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06, skipping insertion in model container [2023-11-26 11:51:06,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:06,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:06,730 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_e9d364ce-4ecd-4751-8a5f-3043b961013a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i[914,927] [2023-11-26 11:51:06,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:06,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:06,828 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_e9d364ce-4ecd-4751-8a5f-3043b961013a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i[914,927] [2023-11-26 11:51:06,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:06,903 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:06,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06 WrapperNode [2023-11-26 11:51:06,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:06,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:06,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:06,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:06,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:06,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,035 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-26 11:51:07,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:07,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:07,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:07,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:07,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,080 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 11:51:07,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:07,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:07,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:07,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:07,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (1/1) ... [2023-11-26 11:51:07,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:07,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:07,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:07,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:51:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:51:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:51:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:51:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:07,350 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:07,352 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:07,799 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:07,851 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:07,851 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:51:07,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:07 BoogieIcfgContainer [2023-11-26 11:51:07,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:07,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:51:07,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:51:07,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:51:07,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:06" (1/3) ... [2023-11-26 11:51:07,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c3e7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:07, skipping insertion in model container [2023-11-26 11:51:07,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:06" (2/3) ... [2023-11-26 11:51:07,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c3e7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:07, skipping insertion in model container [2023-11-26 11:51:07,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:07" (3/3) ... [2023-11-26 11:51:07,862 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-8.i [2023-11-26 11:51:07,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:51:07,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:51:07,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:51:07,937 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;@f1e768a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:51:07,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:51:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:51:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:51:07,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:07,959 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:07,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:07,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:07,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1275518379, now seen corresponding path program 1 times [2023-11-26 11:51:07,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:07,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037703371] [2023-11-26 11:51:07,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:07,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:08,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:08,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037703371] [2023-11-26 11:51:08,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:51:08,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666088319] [2023-11-26 11:51:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:08,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:08,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:08,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:08,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:51:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:08,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:51:08,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-26 11:51:08,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:51:08,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666088319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:08,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:08,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:08,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974062486] [2023-11-26 11:51:08,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:08,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:51:08,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:51:08,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:51:08,599 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:51:08,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:08,656 INFO L93 Difference]: Finished difference Result 117 states and 215 transitions. [2023-11-26 11:51:08,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:51:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2023-11-26 11:51:08,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:51:08,671 INFO L225 Difference]: With dead ends: 117 [2023-11-26 11:51:08,671 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 11:51:08,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 11:51:08,679 INFO L413 NwaCegarLoop]: 88 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, 88 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 11:51:08,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:51:08,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 11:51:08,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 11:51:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:51:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 91 transitions. [2023-11-26 11:51:08,735 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 91 transitions. Word has length 139 [2023-11-26 11:51:08,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:51:08,736 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 91 transitions. [2023-11-26 11:51:08,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:51:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2023-11-26 11:51:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:51:08,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:08,741 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:08,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 11:51:08,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:08,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:08,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:08,945 INFO L85 PathProgramCache]: Analyzing trace with hash 199654065, now seen corresponding path program 1 times [2023-11-26 11:51:08,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:08,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863969359] [2023-11-26 11:51:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:08,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:09,082 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:51:09,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524991968] [2023-11-26 11:51:09,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:09,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:09,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:09,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:51:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:09,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-26 11:51:09,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 169 proven. 39 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-26 11:51:10,168 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:51:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2023-11-26 11:51:10,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:10,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863969359] [2023-11-26 11:51:10,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:51:10,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524991968] [2023-11-26 11:51:10,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524991968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:51:10,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:51:10,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2023-11-26 11:51:10,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377585868] [2023-11-26 11:51:10,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:51:10,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-26 11:51:10,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:10,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-26 11:51:10,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2023-11-26 11:51:10,844 INFO L87 Difference]: Start difference. First operand 58 states and 91 transitions. Second operand has 20 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-26 11:51:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:15,783 INFO L93 Difference]: Finished difference Result 722 states and 1079 transitions. [2023-11-26 11:51:15,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-11-26 11:51:15,784 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) Word has length 139 [2023-11-26 11:51:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:51:15,803 INFO L225 Difference]: With dead ends: 722 [2023-11-26 11:51:15,804 INFO L226 Difference]: Without dead ends: 665 [2023-11-26 11:51:15,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3122 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2218, Invalid=6338, Unknown=0, NotChecked=0, Total=8556 [2023-11-26 11:51:15,817 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 897 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:51:15,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 786 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-26 11:51:15,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2023-11-26 11:51:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 242. [2023-11-26 11:51:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 141 states have (on average 1.3333333333333333) internal successors, (188), 141 states have internal predecessors, (188), 92 states have call successors, (92), 8 states have call predecessors, (92), 8 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-26 11:51:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 372 transitions. [2023-11-26 11:51:16,023 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 372 transitions. Word has length 139 [2023-11-26 11:51:16,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:51:16,025 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 372 transitions. [2023-11-26 11:51:16,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-26 11:51:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 372 transitions. [2023-11-26 11:51:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:51:16,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:16,037 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:16,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:16,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:16,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:16,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:16,245 INFO L85 PathProgramCache]: Analyzing trace with hash 201501107, now seen corresponding path program 1 times [2023-11-26 11:51:16,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317427433] [2023-11-26 11:51:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:16,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:16,298 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:51:16,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173913795] [2023-11-26 11:51:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:16,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:51:16,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:51:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:16,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:17,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:17,103 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:51:17,104 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:51:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:17,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:51:17,321 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:51:17,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:51:17,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:51:17 BoogieIcfgContainer [2023-11-26 11:51:17,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:51:17,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:51:17,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:51:17,458 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:51:17,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:07" (3/4) ... [2023-11-26 11:51:17,461 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:51:17,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:51:17,464 INFO L158 Benchmark]: Toolchain (without parser) took 11020.14ms. Allocated memory was 134.2MB in the beginning and 222.3MB in the end (delta: 88.1MB). Free memory was 88.4MB in the beginning and 139.1MB in the end (delta: -50.7MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-11-26 11:51:17,464 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory was 106.6MB in the beginning and 106.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:51:17,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.88ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 74.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:51:17,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.12ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 69.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:51:17,466 INFO L158 Benchmark]: Boogie Preprocessor took 78.28ms. Allocated memory is still 134.2MB. Free memory was 69.6MB in the beginning and 62.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:51:17,467 INFO L158 Benchmark]: RCFGBuilder took 736.82ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 62.2MB in the beginning and 140.6MB in the end (delta: -78.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-26 11:51:17,468 INFO L158 Benchmark]: TraceAbstraction took 9602.42ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 140.6MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-11-26 11:51:17,468 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 222.3MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:51:17,472 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory was 106.6MB in the beginning and 106.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.88ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 74.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.12ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 69.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.28ms. Allocated memory is still 134.2MB. Free memory was 69.6MB in the beginning and 62.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 736.82ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 62.2MB in the beginning and 140.6MB in the end (delta: -78.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9602.42ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 140.6MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 222.3MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] unsigned short int last_1_var_1_13 = 0; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L127] last_1_var_1_13 = var_1_13 [L137] RET updateLastVariables() [L138] CALL updateVariables() [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L94] var_1_5 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L95] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L96] var_1_6 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L97] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L98] var_1_10 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L99] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L100] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L101] var_1_11 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L102] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L103] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L104] var_1_15 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L105] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L106] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L107] var_1_16 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L108] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L109] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L110] var_1_20 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L111] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L112] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L114] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L115] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L117] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L118] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L119] var_1_23 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L120] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L121] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L122] var_1_24 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L123] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L124] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L138] RET updateVariables() [L139] CALL step() [L45] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L46] var_1_1 = (var_1_5 - var_1_6) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=4, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L48] COND FALSE !(var_1_10 == var_1_1) [L55] var_1_19 = var_1_24 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L57] COND FALSE !(var_1_19 < (var_1_21 / var_1_20)) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=-2, var_1_9=1] [L64] COND TRUE var_1_1 >= var_1_6 [L65] var_1_7 = var_1_19 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=254, var_1_9=1] [L67] COND FALSE !(((var_1_6 * var_1_5) / var_1_10) > var_1_1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=254, var_1_9=1] [L74] COND FALSE !(var_1_7 < var_1_9) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_7=254, var_1_9=1] [L77] COND FALSE !((25.3 * var_1_5) != var_1_1) [L86] var_1_25 = var_1_20 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=32, var_1_26=0, var_1_4=1, var_1_7=254, var_1_9=1] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=32, var_1_26=0, var_1_4=1, var_1_7=254, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=32767, var_1_16=16383, var_1_19=254, var_1_20=32, var_1_21=96, var_1_22=31, var_1_23=0, var_1_24=254, var_1_25=32, var_1_26=0, var_1_4=1, var_1_7=254, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 943 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 897 mSDsluCounter, 874 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 686 mSDsCounter, 693 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1358 IncrementalHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 693 mSolverCounterUnsat, 188 mSDtfsCounter, 1358 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 505 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3122 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=2, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 423 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 1136 SizeOfPredicates, 9 NumberOfNonLiveVariables, 630 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2994/3036 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 11:51:17,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 62bf3dfe88b7b7f16a2317bf4b03356735885070ddf7d29f329649cb5fd7ab4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:20,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:20,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:51:20,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:20,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:20,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:20,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:20,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:20,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:51:20,539 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:51:20,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:51:20,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:51:20,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:20,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:20,542 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:20,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:20,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:51:20,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:51:20,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:51:20,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:20,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:51:20,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:51:20,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:51:20,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:51:20,548 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:51:20,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:51:20,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:51:20,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:20,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:20,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:20,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:20,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:51:20,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:51:20,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:20,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:20,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:51:20,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:51:20,554 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:51:20,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:51:20,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:51:20,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:51:20,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:51:20,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:51:20,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:51:20,556 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:51:20,556 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_e9d364ce-4ecd-4751-8a5f-3043b961013a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62bf3dfe88b7b7f16a2317bf4b03356735885070ddf7d29f329649cb5fd7ab4b [2023-11-26 11:51:20,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:20,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:20,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:20,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:20,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:20,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i [2023-11-26 11:51:24,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:24,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:24,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i [2023-11-26 11:51:24,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data/82ef73e6e/c80cc912f741469a961014936757a624/FLAG236d1d2c1 [2023-11-26 11:51:24,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/data/82ef73e6e/c80cc912f741469a961014936757a624 [2023-11-26 11:51:24,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:24,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:24,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:24,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:24,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:24,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:24" (1/1) ... [2023-11-26 11:51:24,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d56add6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:24, skipping insertion in model container [2023-11-26 11:51:24,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:24" (1/1) ... [2023-11-26 11:51:24,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:24,789 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_e9d364ce-4ecd-4751-8a5f-3043b961013a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i[914,927] [2023-11-26 11:51:24,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:24,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:24,939 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_e9d364ce-4ecd-4751-8a5f-3043b961013a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-8.i[914,927] [2023-11-26 11:51:24,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:25,021 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:25,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25 WrapperNode [2023-11-26 11:51:25,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:25,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:25,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:25,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:25,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,121 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-26 11:51:25,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:25,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:25,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:25,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:25,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,189 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 11:51:25,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:25,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:25,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:25,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:25,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (1/1) ... [2023-11-26 11:51:25,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:25,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:25,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:25,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:51:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:51:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:51:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:51:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:25,531 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:25,534 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:46,511 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:46,614 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:46,616 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:51:46,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:46 BoogieIcfgContainer [2023-11-26 11:51:46,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:46,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:51:46,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:51:46,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:51:46,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:24" (1/3) ... [2023-11-26 11:51:46,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:46, skipping insertion in model container [2023-11-26 11:51:46,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:25" (2/3) ... [2023-11-26 11:51:46,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:46, skipping insertion in model container [2023-11-26 11:51:46,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:46" (3/3) ... [2023-11-26 11:51:46,631 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-8.i [2023-11-26 11:51:46,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:51:46,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:51:46,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:51:46,732 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;@20d7bb1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:51:46,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:51:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:51:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:51:46,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:46,765 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:46,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:46,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:46,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1275518379, now seen corresponding path program 1 times [2023-11-26 11:51:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:51:46,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990875874] [2023-11-26 11:51:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:46,787 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 11:51:46,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:51:46,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 11:51:46,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 11:51:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:48,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:51:48,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:51:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-26 11:51:48,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:51:48,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:51:48,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990875874] [2023-11-26 11:51:48,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990875874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:48,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:48,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:48,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002094563] [2023-11-26 11:51:48,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:48,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:51:48,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:51:48,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:51:48,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:51:48,455 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:51:54,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:51:54,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:51:54,432 INFO L93 Difference]: Finished difference Result 117 states and 215 transitions. [2023-11-26 11:51:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:51:54,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2023-11-26 11:51:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:51:54,882 INFO L225 Difference]: With dead ends: 117 [2023-11-26 11:51:54,882 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 11:51:54,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 11:51:54,889 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:51:54,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2023-11-26 11:51:54,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 11:51:54,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 11:51:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-26 11:51:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 91 transitions. [2023-11-26 11:51:54,950 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 91 transitions. Word has length 139 [2023-11-26 11:51:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:51:54,951 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 91 transitions. [2023-11-26 11:51:54,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 11:51:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2023-11-26 11:51:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:51:54,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:51:54,955 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:54,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:55,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 11:51:55,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:51:55,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:55,180 INFO L85 PathProgramCache]: Analyzing trace with hash 199654065, now seen corresponding path program 1 times [2023-11-26 11:51:55,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:51:55,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952387600] [2023-11-26 11:51:55,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:55,182 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 11:51:55,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:51:55,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 11:51:55,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9d364ce-4ecd-4751-8a5f-3043b961013a/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 11:51:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:56,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:51:56,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-26 11:52:01,792 INFO L327 TraceCheckSpWp]: Computing backward predicates...