./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:09,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:09,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:48:09,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:09,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:10,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:10,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:10,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:10,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:10,021 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:10,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:10,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:10,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:10,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:10,027 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:10,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:10,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:10,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:10,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:10,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:10,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:10,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:10,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:10,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:10,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:10,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:10,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:10,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:10,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:10,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:10,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:10,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:10,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:10,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:10,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:10,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:10,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:10,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:10,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:10,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:10,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:10,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:10,041 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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a [2023-11-26 10:48:10,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:10,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:10,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:10,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:10,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:10,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-11-26 10:48:13,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:13,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:13,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-11-26 10:48:13,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data/99ec9069d/840d69158c3444dc807667f1e4adbfcc/FLAGde4f80f8e [2023-11-26 10:48:13,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data/99ec9069d/840d69158c3444dc807667f1e4adbfcc [2023-11-26 10:48:13,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:13,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:13,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:13,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:13,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:13,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:13" (1/1) ... [2023-11-26 10:48:13,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c54514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:13, skipping insertion in model container [2023-11-26 10:48:13,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:13" (1/1) ... [2023-11-26 10:48:13,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:14,071 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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-11-26 10:48:14,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:14,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:14,143 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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-11-26 10:48:14,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:14,202 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:14,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14 WrapperNode [2023-11-26 10:48:14,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:14,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:14,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:14,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:14,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,269 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-11-26 10:48:14,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:14,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:14,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:14,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:14,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,287 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,307 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 10:48:14,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:14,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:14,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:14,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:14,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (1/1) ... [2023-11-26 10:48:14,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:14,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:14,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:14,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:48:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:48:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:48:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:14,574 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:14,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:14,925 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:15,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:15,017 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:48:15,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:15 BoogieIcfgContainer [2023-11-26 10:48:15,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:15,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:15,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:15,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:15,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:13" (1/3) ... [2023-11-26 10:48:15,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256a0989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:15, skipping insertion in model container [2023-11-26 10:48:15,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:14" (2/3) ... [2023-11-26 10:48:15,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256a0989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:15, skipping insertion in model container [2023-11-26 10:48:15,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:15" (3/3) ... [2023-11-26 10:48:15,028 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-52.i [2023-11-26 10:48:15,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:15,053 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:48:15,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:15,131 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;@39b863a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:15,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:48:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 10:48:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:48:15,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:15,151 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:15,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:15,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:15,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1214595298, now seen corresponding path program 1 times [2023-11-26 10:48:15,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:15,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287921587] [2023-11-26 10:48:15,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:15,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:48:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:48:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:48:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:48:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:48:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:48:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:48:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:48:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 10:48:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:48:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 10:48:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 10:48:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:48:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:48:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:48:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:48:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:48:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-26 10:48:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-26 10:48:16,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:16,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287921587] [2023-11-26 10:48:16,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287921587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:16,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063761914] [2023-11-26 10:48:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:16,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:16,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:16,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:16,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:48:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:16,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:48:16,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-26 10:48:16,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-26 10:48:17,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063761914] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:17,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:17,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-11-26 10:48:17,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525549229] [2023-11-26 10:48:17,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:17,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 10:48:17,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:17,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 10:48:17,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:48:17,303 INFO L87 Difference]: Start difference. First operand has 46 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-26 10:48:18,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:18,735 INFO L93 Difference]: Finished difference Result 191 states and 344 transitions. [2023-11-26 10:48:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-26 10:48:18,738 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 109 [2023-11-26 10:48:18,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:18,755 INFO L225 Difference]: With dead ends: 191 [2023-11-26 10:48:18,755 INFO L226 Difference]: Without dead ends: 146 [2023-11-26 10:48:18,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 249 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2023-11-26 10:48:18,768 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 197 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:18,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 226 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-26 10:48:18,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-26 10:48:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 95. [2023-11-26 10:48:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 53 states have (on average 1.150943396226415) internal successors, (61), 54 states have internal predecessors, (61), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-26 10:48:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2023-11-26 10:48:18,875 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 109 [2023-11-26 10:48:18,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:18,876 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2023-11-26 10:48:18,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-26 10:48:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2023-11-26 10:48:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:48:18,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:18,880 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:18,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:19,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:48:19,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:19,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:19,089 INFO L85 PathProgramCache]: Analyzing trace with hash -560412064, now seen corresponding path program 1 times [2023-11-26 10:48:19,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:19,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793595741] [2023-11-26 10:48:19,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:19,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:19,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:19,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:19,279 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:48:19,281 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:48:19,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:48:19,286 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 10:48:19,291 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:48:19,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:48:19 BoogieIcfgContainer [2023-11-26 10:48:19,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:48:19,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:48:19,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:48:19,365 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:48:19,365 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:15" (3/4) ... [2023-11-26 10:48:19,368 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:48:19,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:48:19,370 INFO L158 Benchmark]: Toolchain (without parser) took 5575.62ms. Allocated memory was 123.7MB in the beginning and 209.7MB in the end (delta: 86.0MB). Free memory was 66.9MB in the beginning and 107.6MB in the end (delta: -40.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:19,371 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:19,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.18ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 66.7MB in the beginning and 139.1MB in the end (delta: -72.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-26 10:48:19,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.18ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 136.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:48:19,373 INFO L158 Benchmark]: Boogie Preprocessor took 60.12ms. Allocated memory is still 174.1MB. Free memory was 136.1MB in the beginning and 131.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:19,373 INFO L158 Benchmark]: RCFGBuilder took 685.85ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 111.9MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:48:19,374 INFO L158 Benchmark]: TraceAbstraction took 4343.06ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 111.4MB in the beginning and 107.6MB in the end (delta: 3.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-11-26 10:48:19,374 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 209.7MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:19,378 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.18ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 66.7MB in the beginning and 139.1MB in the end (delta: -72.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.18ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 136.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.12ms. Allocated memory is still 174.1MB. Free memory was 136.1MB in the beginning and 131.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 685.85ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 111.9MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4343.06ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 111.4MB in the beginning and 107.6MB in the end (delta: 3.8MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 209.7MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] double var_1_2 = 255.6; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 8; [L29] double var_1_10 = 255.2; [L30] unsigned char var_1_11 = 64; [L31] unsigned char var_1_12 = 100; [L32] unsigned char var_1_13 = 32; [L33] unsigned char var_1_14 = 64; [L34] unsigned char var_1_15 = 0; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L62] var_1_6 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L63] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L64] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L64] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L65] var_1_7 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L66] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L67] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L67] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L68] var_1_8 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_9=8] [L69] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_9=8] [L70] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L70] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L71] var_1_10 = __VERIFIER_nondet_double() [L72] 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, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L72] 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, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L73] var_1_11 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L74] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L75] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_12 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L77] RET assume_abort_if_not(var_1_12 >= 64) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L78] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L79] var_1_13 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L81] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L81] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L82] var_1_14 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L83] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L84] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L84] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L85] var_1_15 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L86] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L87] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L87] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L100] RET updateVariables() [L101] CALL step() [L38] COND TRUE (- var_1_2) <= var_1_10 [L39] var_1_9 = ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L43] COND TRUE var_1_2 < 63.75 [L44] var_1_1 = (10 - var_1_9) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L48] signed long int stepLocal_0 = (var_1_9 / -256) * 32; VAL [isInitial=1, stepLocal_0=0, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L49] COND FALSE !(var_1_9 > stepLocal_0) [L56] var_1_5 = var_1_7 VAL [isInitial=1, stepLocal_0=0, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((var_1_2 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_9))) : (var_1_1 == ((signed short int) (4 + var_1_9)))) && ((var_1_9 > ((var_1_9 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && (! var_1_8))))) : (var_1_5 == ((unsigned char) var_1_7))) : (var_1_5 == ((unsigned char) var_1_7)))) && (((- var_1_2) <= var_1_10) ? (var_1_9 == ((unsigned char) ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))))) : (var_1_9 == ((unsigned char) var_1_12))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 418 IncrementalHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 71 mSDtfsCounter, 418 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 249 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=1, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 51 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 1077 SizeOfPredicates, 5 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1773/1836 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 10:48:19,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:22,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:22,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:48:22,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:22,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:22,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:22,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:22,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:22,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:22,314 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:22,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:22,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:22,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:22,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:22,319 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:22,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:22,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:22,321 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:22,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:22,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:22,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:22,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:22,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:22,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:48:22,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:48:22,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:48:22,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:22,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:22,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:22,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:22,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:22,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:22,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:22,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:22,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:22,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:22,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:22,331 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:48:22,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:48:22,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:22,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:22,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:22,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:22,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:22,333 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:48:22,333 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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a [2023-11-26 10:48:22,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:22,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:22,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:22,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:22,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:22,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-11-26 10:48:26,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:26,539 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:26,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-11-26 10:48:26,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data/fe501c1dc/dd67ff4e41cb4c6caf38ff4f868ed927/FLAG6f6bda972 [2023-11-26 10:48:26,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/data/fe501c1dc/dd67ff4e41cb4c6caf38ff4f868ed927 [2023-11-26 10:48:26,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:26,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:26,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:26,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:26,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:26,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:26,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504540e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26, skipping insertion in model container [2023-11-26 10:48:26,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:26,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:26,777 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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-11-26 10:48:26,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:26,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:26,873 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_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-11-26 10:48:26,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:26,937 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:26,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26 WrapperNode [2023-11-26 10:48:26,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:26,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:26,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:26,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:26,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:26,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,020 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-11-26 10:48:27,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:27,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:27,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:27,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:27,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,086 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 10:48:27,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:27,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:27,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:27,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:27,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (1/1) ... [2023-11-26 10:48:27,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:27,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:27,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:27,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:48:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:48:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:48:27,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:27,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:27,366 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:27,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:27,685 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:27,787 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:27,788 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:48:27,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:27 BoogieIcfgContainer [2023-11-26 10:48:27,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:27,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:27,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:27,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:27,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:26" (1/3) ... [2023-11-26 10:48:27,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3e6a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:27, skipping insertion in model container [2023-11-26 10:48:27,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:26" (2/3) ... [2023-11-26 10:48:27,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3e6a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:27, skipping insertion in model container [2023-11-26 10:48:27,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:27" (3/3) ... [2023-11-26 10:48:27,801 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-52.i [2023-11-26 10:48:27,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:27,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:48:27,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:27,897 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;@2ee654bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:27,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:48:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 10:48:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:48:27,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:27,922 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:27,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:27,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1214595298, now seen corresponding path program 1 times [2023-11-26 10:48:27,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:48:27,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24505885] [2023-11-26 10:48:27,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:27,950 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 10:48:27,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:48:27,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 10:48:27,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 10:48:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:28,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:48:28,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-26 10:48:28,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-26 10:48:29,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:48:29,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24505885] [2023-11-26 10:48:29,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24505885] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:29,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:48:29,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-26 10:48:29,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172635128] [2023-11-26 10:48:29,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:29,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-26 10:48:29,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:48:29,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-26 10:48:29,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:48:29,231 INFO L87 Difference]: Start difference. First operand has 46 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-26 10:48:30,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:30,996 INFO L93 Difference]: Finished difference Result 197 states and 349 transitions. [2023-11-26 10:48:31,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-26 10:48:31,002 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 109 [2023-11-26 10:48:31,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:31,018 INFO L225 Difference]: With dead ends: 197 [2023-11-26 10:48:31,019 INFO L226 Difference]: Without dead ends: 152 [2023-11-26 10:48:31,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=390, Invalid=1170, Unknown=0, NotChecked=0, Total=1560 [2023-11-26 10:48:31,035 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 160 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:31,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 216 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 10:48:31,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-26 10:48:31,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 55. [2023-11-26 10:48:31,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 10:48:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2023-11-26 10:48:31,121 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 109 [2023-11-26 10:48:31,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:31,123 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2023-11-26 10:48:31,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-26 10:48:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2023-11-26 10:48:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:48:31,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:31,129 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:31,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 10:48:31,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 10:48:31,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:31,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:31,334 INFO L85 PathProgramCache]: Analyzing trace with hash -560412064, now seen corresponding path program 1 times [2023-11-26 10:48:31,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:48:31,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16668720] [2023-11-26 10:48:31,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:31,336 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 10:48:31,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:48:31,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 10:48:31,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c21e0fe-6f12-454b-a27a-e30dc936e4c5/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 10:48:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:31,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 10:48:31,486 INFO L285 TraceCheckSpWp]: Computing forward predicates...