./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC --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 9942167140f46cf9a6de342ca7e9162ccfb76997661e3494128a17b58a9424e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:52:17,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:52:17,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:52:17,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:52:17,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:52:17,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:52:17,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:52:17,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:52:17,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:52:17,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:52:17,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:52:17,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:52:17,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:52:17,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:52:17,808 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:52:17,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:52:17,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:52:17,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:52:17,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:52:17,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:52:17,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:52:17,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:52:17,813 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:52:17,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:17,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:17,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:52:17,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:52:17,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:52:17,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:52:17,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:52:17,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:52:17,815 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC 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 -> 9942167140f46cf9a6de342ca7e9162ccfb76997661e3494128a17b58a9424e7 [2024-11-23 22:52:18,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:52:18,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:52:18,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:52:18,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:52:18,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:52:18,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i [2024-11-23 22:52:21,117 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/58ae0f684/15396860ae3d4811a0f3ed14c8cdb4d9/FLAGd5d73c739 [2024-11-23 22:52:21,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:52:21,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i [2024-11-23 22:52:21,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/58ae0f684/15396860ae3d4811a0f3ed14c8cdb4d9/FLAGd5d73c739 [2024-11-23 22:52:21,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/58ae0f684/15396860ae3d4811a0f3ed14c8cdb4d9 [2024-11-23 22:52:21,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:52:21,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:52:21,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:52:21,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:52:21,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:52:21,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f831038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21, skipping insertion in model container [2024-11-23 22:52:21,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:52:21,739 WARN L250 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_aa02619a-80d2-475b-bf5f-7bf4962b6cde/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i[915,928] [2024-11-23 22:52:21,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:52:21,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:52:21,845 WARN L250 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_aa02619a-80d2-475b-bf5f-7bf4962b6cde/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i[915,928] [2024-11-23 22:52:21,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:52:21,896 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:52:21,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21 WrapperNode [2024-11-23 22:52:21,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:52:21,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:52:21,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:52:21,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:52:21,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,943 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-23 22:52:21,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:52:21,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:52:21,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:52:21,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:52:21,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,980 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]. [2024-11-23 22:52:21,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:21,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:52:22,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:52:22,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:52:22,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:52:22,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (1/1) ... [2024-11-23 22:52:22,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:22,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:22,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:52:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:52:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:52:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:52:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:52:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:52:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:52:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:52:22,187 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:52:22,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:52:22,457 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 22:52:22,457 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:52:22,475 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:52:22,476 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:52:22,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:22 BoogieIcfgContainer [2024-11-23 22:52:22,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:52:22,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:52:22,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:52:22,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:52:22,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:52:21" (1/3) ... [2024-11-23 22:52:22,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2609982a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:52:22, skipping insertion in model container [2024-11-23 22:52:22,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:21" (2/3) ... [2024-11-23 22:52:22,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2609982a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:52:22, skipping insertion in model container [2024-11-23 22:52:22,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:22" (3/3) ... [2024-11-23 22:52:22,496 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-20.i [2024-11-23 22:52:22,517 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:52:22,518 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-20.i that has 2 procedures, 36 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:52:22,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:52:22,613 INFO L333 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, 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;@3ee54aaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:52:22,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:52:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:52:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:52:22,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:22,628 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:22,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:22,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash 933759244, now seen corresponding path program 1 times [2024-11-23 22:52:22,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:22,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565490986] [2024-11-23 22:52:22,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:22,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-23 22:52:22,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:22,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565490986] [2024-11-23 22:52:22,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565490986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:52:22,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760860763] [2024-11-23 22:52:22,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:22,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:52:22,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:22,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:52:22,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:52:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:23,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:52:23,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-23 22:52:23,146 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:52:23,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760860763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:23,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:52:23,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:52:23,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422960097] [2024-11-23 22:52:23,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:23,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:52:23,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:23,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:52:23,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:52:23,189 INFO L87 Difference]: Start difference. First operand has 36 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:52:23,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:23,221 INFO L93 Difference]: Finished difference Result 65 states and 100 transitions. [2024-11-23 22:52:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:52:23,223 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-23 22:52:23,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:23,232 INFO L225 Difference]: With dead ends: 65 [2024-11-23 22:52:23,232 INFO L226 Difference]: Without dead ends: 32 [2024-11-23 22:52:23,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:52:23,242 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:23,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-23 22:52:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-23 22:52:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:52:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2024-11-23 22:52:23,300 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 49 [2024-11-23 22:52:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:23,302 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2024-11-23 22:52:23,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:52:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-11-23 22:52:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:52:23,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:23,307 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:23,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:52:23,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:52:23,508 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:23,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:23,510 INFO L85 PathProgramCache]: Analyzing trace with hash 407835988, now seen corresponding path program 1 times [2024-11-23 22:52:23,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:23,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535433607] [2024-11-23 22:52:23,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:23,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:52:23,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:23,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535433607] [2024-11-23 22:52:23,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535433607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:23,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:23,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558626371] [2024-11-23 22:52:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:23,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:23,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:23,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:23,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:23,724 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:52:23,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:23,765 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2024-11-23 22:52:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:23,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-11-23 22:52:23,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:23,767 INFO L225 Difference]: With dead ends: 72 [2024-11-23 22:52:23,768 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 22:52:23,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:23,769 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 15 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:23,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 69 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 22:52:23,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2024-11-23 22:52:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:52:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-23 22:52:23,779 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 49 [2024-11-23 22:52:23,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:23,781 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-23 22:52:23,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:52:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-23 22:52:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:52:23,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:23,783 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:23,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:52:23,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:23,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:23,784 INFO L85 PathProgramCache]: Analyzing trace with hash -401510638, now seen corresponding path program 1 times [2024-11-23 22:52:23,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:23,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135778029] [2024-11-23 22:52:23,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:23,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:52:23,865 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:52:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:52:23,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:52:23,976 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:52:23,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:52:23,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:52:23,983 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 22:52:24,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:52:24,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:52:24 BoogieIcfgContainer [2024-11-23 22:52:24,035 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:52:24,036 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:52:24,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:52:24,036 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:52:24,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:22" (3/4) ... [2024-11-23 22:52:24,040 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:52:24,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:52:24,043 INFO L158 Benchmark]: Toolchain (without parser) took 2563.98ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 72.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 22:52:24,044 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:52:24,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.26ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:52:24,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:52:24,045 INFO L158 Benchmark]: Boogie Preprocessor took 54.74ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:52:24,046 INFO L158 Benchmark]: RCFGBuilder took 472.76ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 66.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:52:24,046 INFO L158 Benchmark]: TraceAbstraction took 1552.52ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 72.7MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:52:24,046 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.1MB in the end (delta: 596.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:52:24,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.26ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.74ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.76ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 66.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1552.52ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 72.7MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.1MB in the end (delta: 596.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.6; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 0.0; [L25] float var_1_4 = 2.95; [L26] float var_1_5 = 8.5; [L27] float var_1_6 = 999999999999.4; [L28] double var_1_7 = 10.2; [L29] double var_1_8 = 32.7; [L30] double var_1_9 = 32.75; [L31] double last_1_var_1_8 = 32.7; VAL [isInitial=0, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L79] isInitial = 1 [L80] FCALL initially() [L82] CALL updateLastVariables() [L72] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L82] RET updateLastVariables() [L83] CALL updateVariables() [L59] var_1_2 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L60] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L61] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L61] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L63] RET assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L65] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L66] var_1_5 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L67] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L68] var_1_6 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L69] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L83] RET updateVariables() [L84] CALL step() [L35] COND FALSE !(\read(var_1_2)) [L38] var_1_1 = (var_1_4 + var_1_6) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L40] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L43] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L50] COND TRUE var_1_7 <= var_1_5 [L51] var_1_8 = var_1_6 VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_6=1000000000004, var_1_7=51/5, var_1_8=1000000000004, var_1_9=131/4] [L54] COND TRUE var_1_4 != (var_1_3 - var_1_5) [L55] var_1_9 = var_1_6 VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_6=1000000000004, var_1_7=51/5, var_1_8=1000000000004, var_1_9=1000000000004] [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return (((var_1_2 ? (var_1_1 == ((float) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((float) (var_1_4 + var_1_6)))) && (var_1_2 ? (var_1_7 == ((double) ((((((var_1_3 - 255.719)) < (var_1_5)) ? ((var_1_3 - 255.719)) : (var_1_5))) - 2.3))) : 1)) && (var_1_2 ? ((var_1_7 >= ((((last_1_var_1_8) > (var_1_6)) ? (last_1_var_1_8) : (var_1_6)))) ? (var_1_8 == ((double) (var_1_5 - var_1_3))) : (var_1_8 == ((double) var_1_4))) : ((var_1_7 <= var_1_5) ? (var_1_8 == ((double) var_1_6)) : 1))) && ((var_1_4 != (var_1_3 - var_1_5)) ? (var_1_9 == ((double) var_1_6)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_6=1000000000004, var_1_7=51/5, var_1_8=1000000000004, var_1_9=1000000000004] [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_6=1000000000004, var_1_7=51/5, var_1_8=1000000000004, var_1_9=1000000000004] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_6=1000000000004, var_1_7=51/5, var_1_8=1000000000004, var_1_9=1000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 170/180 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:52:24,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC --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 9942167140f46cf9a6de342ca7e9162ccfb76997661e3494128a17b58a9424e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:52:27,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:52:27,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 22:52:27,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:52:27,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:52:27,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:52:27,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:52:27,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:52:27,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:52:27,212 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:52:27,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:52:27,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:52:27,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:52:27,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:52:27,213 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:52:27,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:52:27,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:52:27,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:52:27,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:52:27,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:52:27,215 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:27,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:52:27,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:27,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:52:27,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:52:27,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:52:27,217 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC 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 -> 9942167140f46cf9a6de342ca7e9162ccfb76997661e3494128a17b58a9424e7 [2024-11-23 22:52:27,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:52:27,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:52:27,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:52:27,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:52:27,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:52:27,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i [2024-11-23 22:52:30,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/2cc7ad606/5faf993002bc4a6597d83892d0d68761/FLAG2fb7b989e [2024-11-23 22:52:31,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:52:31,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i [2024-11-23 22:52:31,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/2cc7ad606/5faf993002bc4a6597d83892d0d68761/FLAG2fb7b989e [2024-11-23 22:52:31,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/data/2cc7ad606/5faf993002bc4a6597d83892d0d68761 [2024-11-23 22:52:31,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:52:31,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:52:31,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:52:31,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:52:31,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:52:31,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701437e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31, skipping insertion in model container [2024-11-23 22:52:31,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:52:31,350 WARN L250 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_aa02619a-80d2-475b-bf5f-7bf4962b6cde/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i[915,928] [2024-11-23 22:52:31,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:52:31,447 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:52:31,463 WARN L250 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_aa02619a-80d2-475b-bf5f-7bf4962b6cde/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-20.i[915,928] [2024-11-23 22:52:31,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:52:31,517 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:52:31,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31 WrapperNode [2024-11-23 22:52:31,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:52:31,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:52:31,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:52:31,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:52:31,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,589 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-23 22:52:31,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:52:31,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:52:31,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:52:31,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:52:31,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,635 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]. [2024-11-23 22:52:31,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:52:31,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:52:31,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:52:31,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:52:31,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (1/1) ... [2024-11-23 22:52:31,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:52:31,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:31,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:52:31,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:52:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:52:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:52:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:52:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:52:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:52:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:52:31,836 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:52:31,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:52:40,185 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 22:52:40,185 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:52:40,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:52:40,198 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:52:40,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:40 BoogieIcfgContainer [2024-11-23 22:52:40,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:52:40,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:52:40,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:52:40,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:52:40,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:52:31" (1/3) ... [2024-11-23 22:52:40,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0cf9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:52:40, skipping insertion in model container [2024-11-23 22:52:40,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:52:31" (2/3) ... [2024-11-23 22:52:40,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0cf9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:52:40, skipping insertion in model container [2024-11-23 22:52:40,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:52:40" (3/3) ... [2024-11-23 22:52:40,231 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-20.i [2024-11-23 22:52:40,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:52:40,255 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-20.i that has 2 procedures, 36 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:52:40,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:52:40,341 INFO L333 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, 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;@56f430e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:52:40,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:52:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:52:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:52:40,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:40,358 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:40,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:40,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:40,364 INFO L85 PathProgramCache]: Analyzing trace with hash 933759244, now seen corresponding path program 1 times [2024-11-23 22:52:40,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:52:40,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331263934] [2024-11-23 22:52:40,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:40,375 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 [2024-11-23 22:52:40,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:52:40,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 22:52:40,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 22:52:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:40,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:52:40,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-23 22:52:40,956 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:52:40,957 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:52:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331263934] [2024-11-23 22:52:40,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331263934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:40,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:40,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:52:40,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762917075] [2024-11-23 22:52:40,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:40,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:52:40,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:52:40,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:52:40,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:52:40,993 INFO L87 Difference]: Start difference. First operand has 36 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:52:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:41,017 INFO L93 Difference]: Finished difference Result 65 states and 100 transitions. [2024-11-23 22:52:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:52:41,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-23 22:52:41,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:41,025 INFO L225 Difference]: With dead ends: 65 [2024-11-23 22:52:41,025 INFO L226 Difference]: Without dead ends: 32 [2024-11-23 22:52:41,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:52:41,031 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:41,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-23 22:52:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-23 22:52:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:52:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2024-11-23 22:52:41,081 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 49 [2024-11-23 22:52:41,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:41,081 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2024-11-23 22:52:41,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:52:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-11-23 22:52:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:52:41,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:41,089 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:41,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 22:52:41,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 22:52:41,290 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:41,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:41,291 INFO L85 PathProgramCache]: Analyzing trace with hash 407835988, now seen corresponding path program 1 times [2024-11-23 22:52:41,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:52:41,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324795046] [2024-11-23 22:52:41,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:41,292 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 [2024-11-23 22:52:41,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:52:41,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 22:52:41,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 22:52:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:41,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:52:41,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:52:41,926 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:52:41,926 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:52:41,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324795046] [2024-11-23 22:52:41,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324795046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:41,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:41,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:41,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410797726] [2024-11-23 22:52:41,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:41,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:41,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:52:41,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:41,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:41,935 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:52:45,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:52:49,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:52:53,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:52:53,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:53,961 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2024-11-23 22:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:53,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-11-23 22:52:53,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:53,997 INFO L225 Difference]: With dead ends: 72 [2024-11-23 22:52:53,997 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 22:52:53,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:53,999 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:53,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 69 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2024-11-23 22:52:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 22:52:54,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2024-11-23 22:52:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:52:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-23 22:52:54,007 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 49 [2024-11-23 22:52:54,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:54,009 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-23 22:52:54,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:52:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-23 22:52:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:52:54,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:54,011 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:54,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-23 22:52:54,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 22:52:54,212 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:52:54,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:54,212 INFO L85 PathProgramCache]: Analyzing trace with hash -401510638, now seen corresponding path program 1 times [2024-11-23 22:52:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:52:54,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136592239] [2024-11-23 22:52:54,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:54,213 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 [2024-11-23 22:52:54,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:52:54,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 22:52:54,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa02619a-80d2-475b-bf5f-7bf4962b6cde/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 22:52:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:54,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 22:52:54,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:55:12,341 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:55:20,520 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:55:28,750 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:55:41,043 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:55:49,183 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:55:57,312 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:56:09,673 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:56:22,764 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:56:31,078 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:56:43,414 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:56:51,577 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:56:59,754 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:57:12,126 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:57:17,978 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:57:26,126 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:57:34,275 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:57:42,441 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:57:54,773 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:02,921 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:11,084 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:23,409 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:30,677 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:38,832 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:47,013 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:58:59,324 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:07,476 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:15,624 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:27,922 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:34,112 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:42,295 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:50,626 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:59:59,171 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:00:07,343 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:00:15,522 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:00:27,848 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:00:36,010 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:00:44,167 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:00:56,469 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:02,284 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:10,416 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:18,641 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:30,949 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:39,099 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:47,291 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:01:59,584 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:04,939 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:13,086 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:21,227 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:29,398 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:41,741 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:49,918 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:02:58,073 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:03:10,362 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:03:18,515 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:03:26,653 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:03:34,830 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:03:47,156 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:03:55,310 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:03,473 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:15,783 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:22,440 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:30,594 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:43,641 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:51,777 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:04:59,944 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:08,109 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:16,276 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:24,434 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:32,624 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:40,766 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:48,966 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:05:57,141 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:05,289 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:13,419 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:21,582 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:29,808 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:38,354 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:46,509 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:06:54,659 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:07:02,789 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:07:10,946 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:07:19,106 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:07:27,291 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:07:35,453 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)