./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:20:26,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:20:26,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:20:26,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:20:26,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:20:26,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:20:26,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:20:26,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:20:26,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:20:26,220 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:20:26,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:20:26,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:20:26,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:20:26,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:20:26,221 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:20:26,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:20:26,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:20:26,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:20:26,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:20:26,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:20:26,222 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:20:26,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:26,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:26,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:20:26,223 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:20:26,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:20:26,224 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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 -> 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 [2024-11-23 18:20:26,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:20:26,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:20:26,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:20:26,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:20:26,591 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:20:26,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2024-11-23 18:20:29,708 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/f89450ea2/0b1c8f922fae4a1f94d712030f4b0afd/FLAG765d99203 [2024-11-23 18:20:30,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:20:30,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2024-11-23 18:20:30,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/f89450ea2/0b1c8f922fae4a1f94d712030f4b0afd/FLAG765d99203 [2024-11-23 18:20:30,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/f89450ea2/0b1c8f922fae4a1f94d712030f4b0afd [2024-11-23 18:20:30,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:20:30,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:20:30,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:20:30,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:20:30,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:20:30,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d90774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30, skipping insertion in model container [2024-11-23 18:20:30,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:20:30,257 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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2024-11-23 18:20:30,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:20:30,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:20:30,397 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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2024-11-23 18:20:30,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:20:30,474 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:20:30,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30 WrapperNode [2024-11-23 18:20:30,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:20:30,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:20:30,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:20:30,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:20:30,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,582 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2024-11-23 18:20:30,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:20:30,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:20:30,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:20:30,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:20:30,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,646 INFO L175 MemorySlicer]: Split 133 memory accesses to 6 slices as follows [2, 23, 61, 16, 22, 9]. 46 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 3, 4, 2, 2, 1]. The 18 writes are split as follows [0, 3, 5, 2, 4, 4]. [2024-11-23 18:20:30,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,674 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:20:30,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:20:30,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:20:30,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:20:30,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (1/1) ... [2024-11-23 18:20:30,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:20:30,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:20:30,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:20:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:20:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 18:20:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:20:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:20:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:20:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:20:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 18:20:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 18:20:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 18:20:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 18:20:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 18:20:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 18:20:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:20:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:20:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:20:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:20:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:20:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:20:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 18:20:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 18:20:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 18:20:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 18:20:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:20:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:20:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:20:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:20:30,953 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:20:30,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:20:31,815 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-11-23 18:20:31,815 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:20:31,835 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:20:31,836 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:20:31,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:31 BoogieIcfgContainer [2024-11-23 18:20:31,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:20:31,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:20:31,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:20:31,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:20:31,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:20:30" (1/3) ... [2024-11-23 18:20:31,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21882672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:20:31, skipping insertion in model container [2024-11-23 18:20:31,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:30" (2/3) ... [2024-11-23 18:20:31,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21882672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:20:31, skipping insertion in model container [2024-11-23 18:20:31,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:31" (3/3) ... [2024-11-23 18:20:31,848 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-36.i [2024-11-23 18:20:31,867 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:20:31,869 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-36.i that has 2 procedures, 123 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:20:31,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:20:31,962 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;@79261665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:20:31,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:20:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 110 states have internal predecessors, (162), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:20:31,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:31,982 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:31,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:31,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1589669722, now seen corresponding path program 1 times [2024-11-23 18:20:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:31,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908340989] [2024-11-23 18:20:31,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:32,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 18:20:32,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:20:32,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908340989] [2024-11-23 18:20:32,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908340989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:20:32,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499756595] [2024-11-23 18:20:32,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:32,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:20:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:20:32,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:20:32,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:20:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:32,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:20:32,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 18:20:32,773 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:32,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499756595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:32,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:20:32,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:20:32,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491916642] [2024-11-23 18:20:32,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:32,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:20:32,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:20:32,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:20:32,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:20:32,809 INFO L87 Difference]: Start difference. First operand has 123 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 110 states have internal predecessors, (162), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:32,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:32,856 INFO L93 Difference]: Finished difference Result 239 states and 373 transitions. [2024-11-23 18:20:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:20:32,858 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-23 18:20:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:32,869 INFO L225 Difference]: With dead ends: 239 [2024-11-23 18:20:32,870 INFO L226 Difference]: Without dead ends: 119 [2024-11-23 18:20:32,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 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 18:20:32,879 INFO L435 NwaCegarLoop]: 177 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, 177 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 18:20:32,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:20:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-23 18:20:32,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-23 18:20:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 177 transitions. [2024-11-23 18:20:32,931 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 177 transitions. Word has length 109 [2024-11-23 18:20:32,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:32,932 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 177 transitions. [2024-11-23 18:20:32,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2024-11-23 18:20:32,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:20:32,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:32,937 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:32,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:20:33,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:20:33,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:33,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:33,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1423114536, now seen corresponding path program 1 times [2024-11-23 18:20:33,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:33,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35275273] [2024-11-23 18:20:33,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:33,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:20:33,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35275273] [2024-11-23 18:20:33,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35275273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:33,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:33,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:20:33,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006022109] [2024-11-23 18:20:33,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:33,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:20:33,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:20:33,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:20:33,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:33,596 INFO L87 Difference]: Start difference. First operand 119 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:33,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:33,653 INFO L93 Difference]: Finished difference Result 237 states and 354 transitions. [2024-11-23 18:20:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:20:33,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-23 18:20:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:33,657 INFO L225 Difference]: With dead ends: 237 [2024-11-23 18:20:33,657 INFO L226 Difference]: Without dead ends: 121 [2024-11-23 18:20:33,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:33,661 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:33,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:20:33,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-23 18:20:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-23 18:20:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 108 states have internal predecessors, (157), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 179 transitions. [2024-11-23 18:20:33,676 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 179 transitions. Word has length 109 [2024-11-23 18:20:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:33,678 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 179 transitions. [2024-11-23 18:20:33,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 179 transitions. [2024-11-23 18:20:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:20:33,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:33,680 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:33,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:20:33,681 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:33,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:33,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2102386790, now seen corresponding path program 1 times [2024-11-23 18:20:33,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:33,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360499260] [2024-11-23 18:20:33,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:33,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:34,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:20:34,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360499260] [2024-11-23 18:20:34,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360499260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:34,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:34,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:20:34,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869389984] [2024-11-23 18:20:34,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:34,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:20:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:20:34,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:20:34,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:34,569 INFO L87 Difference]: Start difference. First operand 121 states and 179 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:34,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:34,763 INFO L93 Difference]: Finished difference Result 358 states and 533 transitions. [2024-11-23 18:20:34,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:20:34,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-23 18:20:34,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:34,767 INFO L225 Difference]: With dead ends: 358 [2024-11-23 18:20:34,769 INFO L226 Difference]: Without dead ends: 240 [2024-11-23 18:20:34,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:34,771 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 127 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:34,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 470 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:20:34,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-23 18:20:34,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2024-11-23 18:20:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 211 states have (on average 1.4597156398104265) internal successors, (308), 211 states have internal predecessors, (308), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 18:20:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 352 transitions. [2024-11-23 18:20:34,818 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 352 transitions. Word has length 109 [2024-11-23 18:20:34,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:34,819 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 352 transitions. [2024-11-23 18:20:34,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 352 transitions. [2024-11-23 18:20:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:20:34,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:34,825 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:34,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:20:34,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:34,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:34,826 INFO L85 PathProgramCache]: Analyzing trace with hash 912716828, now seen corresponding path program 1 times [2024-11-23 18:20:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:34,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755572486] [2024-11-23 18:20:34,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:35,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:20:35,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755572486] [2024-11-23 18:20:35,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755572486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:35,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:35,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:20:35,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263007321] [2024-11-23 18:20:35,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:35,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:20:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:20:35,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:20:35,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:35,494 INFO L87 Difference]: Start difference. First operand 236 states and 352 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:35,630 INFO L93 Difference]: Finished difference Result 474 states and 707 transitions. [2024-11-23 18:20:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:20:35,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-23 18:20:35,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:35,634 INFO L225 Difference]: With dead ends: 474 [2024-11-23 18:20:35,634 INFO L226 Difference]: Without dead ends: 241 [2024-11-23 18:20:35,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:35,636 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 124 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:35,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 470 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:20:35,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-23 18:20:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 237. [2024-11-23 18:20:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 212 states have (on average 1.4575471698113207) internal successors, (309), 212 states have internal predecessors, (309), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 18:20:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 353 transitions. [2024-11-23 18:20:35,675 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 353 transitions. Word has length 109 [2024-11-23 18:20:35,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:35,675 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 353 transitions. [2024-11-23 18:20:35,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 353 transitions. [2024-11-23 18:20:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:20:35,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:35,680 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:35,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:20:35,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:35,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1170882266, now seen corresponding path program 1 times [2024-11-23 18:20:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117813068] [2024-11-23 18:20:35,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:35,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:20:35,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117813068] [2024-11-23 18:20:35,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117813068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:35,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:35,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:20:35,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90939215] [2024-11-23 18:20:35,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:35,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:20:35,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:20:35,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:20:35,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:35,985 INFO L87 Difference]: Start difference. First operand 237 states and 353 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:36,199 INFO L93 Difference]: Finished difference Result 648 states and 969 transitions. [2024-11-23 18:20:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:20:36,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-23 18:20:36,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:36,206 INFO L225 Difference]: With dead ends: 648 [2024-11-23 18:20:36,206 INFO L226 Difference]: Without dead ends: 414 [2024-11-23 18:20:36,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:36,210 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 190 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:36,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 481 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:20:36,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-23 18:20:36,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 360. [2024-11-23 18:20:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 323 states have (on average 1.4643962848297214) internal successors, (473), 323 states have internal predecessors, (473), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 18:20:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 539 transitions. [2024-11-23 18:20:36,272 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 539 transitions. Word has length 109 [2024-11-23 18:20:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:36,272 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 539 transitions. [2024-11-23 18:20:36,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 539 transitions. [2024-11-23 18:20:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:20:36,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:36,276 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:36,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:20:36,276 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:36,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash 576715957, now seen corresponding path program 1 times [2024-11-23 18:20:36,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:36,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260262801] [2024-11-23 18:20:36,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:36,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:20:36,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260262801] [2024-11-23 18:20:36,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260262801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:36,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:36,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:20:36,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855329862] [2024-11-23 18:20:36,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:36,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:20:36,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:20:36,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:20:36,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:36,947 INFO L87 Difference]: Start difference. First operand 360 states and 539 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:37,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:37,142 INFO L93 Difference]: Finished difference Result 832 states and 1241 transitions. [2024-11-23 18:20:37,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:20:37,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 18:20:37,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:37,146 INFO L225 Difference]: With dead ends: 832 [2024-11-23 18:20:37,147 INFO L226 Difference]: Without dead ends: 598 [2024-11-23 18:20:37,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:20:37,148 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 149 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:37,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 726 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:20:37,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-23 18:20:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 380. [2024-11-23 18:20:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 343 states have (on average 1.4606413994169096) internal successors, (501), 343 states have internal predecessors, (501), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-23 18:20:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 567 transitions. [2024-11-23 18:20:37,183 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 567 transitions. Word has length 110 [2024-11-23 18:20:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:37,183 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 567 transitions. [2024-11-23 18:20:37,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 567 transitions. [2024-11-23 18:20:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 18:20:37,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:37,186 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:37,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:20:37,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:37,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:37,187 INFO L85 PathProgramCache]: Analyzing trace with hash 319522081, now seen corresponding path program 1 times [2024-11-23 18:20:37,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:20:37,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363191892] [2024-11-23 18:20:37,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:37,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:20:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:20:37,281 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:20:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:20:37,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:20:37,457 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:20:37,458 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:20:37,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:20:37,465 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:20:37,599 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:20:37,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:20:37 BoogieIcfgContainer [2024-11-23 18:20:37,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:20:37,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:20:37,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:20:37,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:20:37,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:31" (3/4) ... [2024-11-23 18:20:37,608 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:20:37,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:20:37,610 INFO L158 Benchmark]: Toolchain (without parser) took 7550.88ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 119.0MB in the beginning and 278.3MB in the end (delta: -159.3MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2024-11-23 18:20:37,611 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:20:37,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.01ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 103.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:20:37,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.40ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 99.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:20:37,613 INFO L158 Benchmark]: Boogie Preprocessor took 110.96ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 94.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:20:37,614 INFO L158 Benchmark]: RCFGBuilder took 1141.16ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 111.3MB in the end (delta: -16.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-23 18:20:37,616 INFO L158 Benchmark]: TraceAbstraction took 5764.55ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 110.7MB in the beginning and 278.4MB in the end (delta: -167.7MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2024-11-23 18:20:37,616 INFO L158 Benchmark]: Witness Printer took 5.19ms. Allocated memory is still 402.7MB. Free memory was 278.4MB in the beginning and 278.3MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:20:37,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.01ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 103.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.40ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 99.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 110.96ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 94.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1141.16ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 111.3MB in the end (delta: -16.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5764.55ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 110.7MB in the beginning and 278.4MB in the end (delta: -167.7MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * Witness Printer took 5.19ms. Allocated memory is still 402.7MB. Free memory was 278.4MB in the beginning and 278.3MB in the end (delta: 50.7kB). 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 shiftRight at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 1; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] isInitial = 1 [L103] FCALL initially() [L105] CALL updateLastVariables() [L95] EXPR unsigned_char_Array_0[1] [L95] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] double_Array_0[0][0] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] double_Array_0[1][0] = __VERIFIER_nondet_double() [L83] EXPR double_Array_0[1][0] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F [L83] EXPR double_Array_0[1][0] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR (double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR (double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not((double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] RET assume_abort_if_not((double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] double_Array_0[1][1] = __VERIFIER_nondet_double() [L85] EXPR double_Array_0[1][1] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F [L85] EXPR double_Array_0[1][1] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR (double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR (double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] RET assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] float_Array_0[0] = __VERIFIER_nondet_float() [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] float_Array_0[1] = __VERIFIER_nondet_float() [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] RET updateVariables() [L107] CALL step() [L41] EXPR last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L41] COND FALSE !((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L44] COND FALSE !(double_Array_0[1][0] == (- double_Array_0[0][0])) [L51] unsigned_char_Array_0[1] = 0 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L53] EXPR float_Array_0[0] [L53] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L53] COND TRUE float_Array_0[0] > float_Array_0[1] [L54] double_Array_0[0][1] = 4.6 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR double_Array_0[0][1] [L58] EXPR double_Array_0[0][1] [L58] unsigned char stepLocal_0 = double_Array_0[0][1] > double_Array_0[0][1]; [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L59] EXPR BOOL_unsigned_char_Array_0[1] [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] COND TRUE stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L60] EXPR double_Array_0[0][1] [L60] EXPR double_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) [L60] EXPR double_Array_0[0][1] [L60] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR double_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] COND TRUE ((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1] [L61] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L61] COND TRUE BOOL_unsigned_char_Array_0[1] [L62] unsigned_long_int_Array_0[0] = 10u VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[0][1] [L98] EXPR (double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR ((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) [L98] EXPR unsigned_long_int_Array_0[0] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR ((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR ((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR ((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98-L99] return (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 2838 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1810 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 1028 mSDtfsCounter, 252 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 280 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 878 NumberOfCodeBlocks, 878 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 757 ConstructedInterpolants, 0 QuantifiedInterpolants, 1732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 385 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1520/1540 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 18:20:37,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:20:40,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:20:40,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:20:40,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:20:40,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:20:40,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:20:40,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:20:40,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:20:40,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:20:40,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:20:40,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:20:40,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:20:40,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:20:40,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:20:40,580 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:20:40,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:20:40,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:20:40,580 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:20:40,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:20:40,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:20:40,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:20:40,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:20:40,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:20:40,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:20:40,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:20:40,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:20:40,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:20:40,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:40,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:20:40,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:20:40,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:20:40,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:20:40,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:40,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:20:40,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:20:40,584 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:20:40,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:20:40,584 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:20:40,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:20:40,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:20:40,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:20:40,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:20:40,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:20:40,585 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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 -> 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 [2024-11-23 18:20:40,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:20:40,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:20:40,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:20:40,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:20:40,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:20:40,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2024-11-23 18:20:43,975 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/d61f1b4bb/85eeb42b100b4cfe90d525f1c0c9e5bf/FLAGb1e768d9f [2024-11-23 18:20:44,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:20:44,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2024-11-23 18:20:44,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/d61f1b4bb/85eeb42b100b4cfe90d525f1c0c9e5bf/FLAGb1e768d9f [2024-11-23 18:20:44,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/data/d61f1b4bb/85eeb42b100b4cfe90d525f1c0c9e5bf [2024-11-23 18:20:44,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:20:44,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:20:44,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:20:44,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:20:44,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:20:44,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:44,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2cac27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44, skipping insertion in model container [2024-11-23 18:20:44,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:44,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:20:44,737 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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2024-11-23 18:20:44,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:20:44,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:20:44,878 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_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2024-11-23 18:20:44,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:20:44,989 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:20:44,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44 WrapperNode [2024-11-23 18:20:44,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:20:44,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:20:44,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:20:44,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:20:45,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,080 INFO L138 Inliner]: procedures = 36, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 543 [2024-11-23 18:20:45,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:20:45,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:20:45,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:20:45,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:20:45,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,125 INFO L175 MemorySlicer]: Split 133 memory accesses to 6 slices as follows [2, 23, 61, 16, 22, 9]. 46 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 3, 4, 2, 2, 1]. The 18 writes are split as follows [0, 3, 5, 2, 4, 4]. [2024-11-23 18:20:45,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,179 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:20:45,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:20:45,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:20:45,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:20:45,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (1/1) ... [2024-11-23 18:20:45,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:45,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:20:45,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:20:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 18:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-23 18:20:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 18:20:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 18:20:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 18:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 18:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 18:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-23 18:20:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 18:20:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 18:20:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 18:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 18:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 18:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-23 18:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 18:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 18:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 18:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 18:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 18:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-23 18:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:20:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:20:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-23 18:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-23 18:20:45,587 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:20:45,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:20:46,658 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2024-11-23 18:20:46,658 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:20:46,670 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:20:46,671 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:20:46,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:46 BoogieIcfgContainer [2024-11-23 18:20:46,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:20:46,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:20:46,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:20:46,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:20:46,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:20:44" (1/3) ... [2024-11-23 18:20:46,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de80f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:20:46, skipping insertion in model container [2024-11-23 18:20:46,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:44" (2/3) ... [2024-11-23 18:20:46,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de80f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:20:46, skipping insertion in model container [2024-11-23 18:20:46,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:46" (3/3) ... [2024-11-23 18:20:46,682 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-36.i [2024-11-23 18:20:46,720 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:20:46,721 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-36.i that has 2 procedures, 119 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:20:46,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:20:46,789 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;@5f0f77d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:20:46,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:20:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:20:46,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:46,804 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:46,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:46,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:46,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1604184980, now seen corresponding path program 1 times [2024-11-23 18:20:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:46,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075374283] [2024-11-23 18:20:46,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:46,824 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 18:20:46,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:46,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:46,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:47,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:20:47,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-23 18:20:47,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:47,392 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:47,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075374283] [2024-11-23 18:20:47,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075374283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:47,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:47,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:20:47,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927756207] [2024-11-23 18:20:47,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:47,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:20:47,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:47,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:20:47,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:20:47,433 INFO L87 Difference]: Start difference. First operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:47,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:47,470 INFO L93 Difference]: Finished difference Result 227 states and 355 transitions. [2024-11-23 18:20:47,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:20:47,472 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-23 18:20:47,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:47,478 INFO L225 Difference]: With dead ends: 227 [2024-11-23 18:20:47,478 INFO L226 Difference]: Without dead ends: 111 [2024-11-23 18:20:47,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 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 18:20:47,484 INFO L435 NwaCegarLoop]: 163 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, 163 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 18:20:47,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:20:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-23 18:20:47,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-23 18:20:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2024-11-23 18:20:47,526 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 108 [2024-11-23 18:20:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:47,527 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2024-11-23 18:20:47,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2024-11-23 18:20:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:20:47,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:47,532 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:47,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:47,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:47,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:47,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:47,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1485217070, now seen corresponding path program 1 times [2024-11-23 18:20:47,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:47,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263972487] [2024-11-23 18:20:47,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:47,739 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 18:20:47,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:47,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:47,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:48,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:20:48,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-23 18:20:48,188 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:48,189 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:48,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263972487] [2024-11-23 18:20:48,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263972487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:48,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:48,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:20:48,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169610702] [2024-11-23 18:20:48,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:48,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:20:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:48,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:20:48,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:48,192 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:48,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:48,283 INFO L93 Difference]: Finished difference Result 221 states and 326 transitions. [2024-11-23 18:20:48,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:20:48,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-23 18:20:48,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:48,286 INFO L225 Difference]: With dead ends: 221 [2024-11-23 18:20:48,286 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 18:20:48,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:20:48,288 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:48,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:20:48,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 18:20:48,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-23 18:20:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2024-11-23 18:20:48,299 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 108 [2024-11-23 18:20:48,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:48,300 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-11-23 18:20:48,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:20:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2024-11-23 18:20:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:20:48,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:48,304 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:48,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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)] Forceful destruction successful, exit code 0 [2024-11-23 18:20:48,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:48,505 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:48,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:48,506 INFO L85 PathProgramCache]: Analyzing trace with hash -476357588, now seen corresponding path program 1 times [2024-11-23 18:20:48,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:48,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412200491] [2024-11-23 18:20:48,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:48,508 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 18:20:48,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:48,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:48,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:48,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:20:48,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:49,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:20:49,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 208 treesize of output 64 [2024-11-23 18:20:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:49,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:49,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:49,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412200491] [2024-11-23 18:20:49,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412200491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:49,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:49,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:20:49,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893711557] [2024-11-23 18:20:49,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:49,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:20:49,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:49,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:20:49,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:20:49,051 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:49,101 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-11-23 18:20:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:20:49,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-23 18:20:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:49,105 INFO L225 Difference]: With dead ends: 219 [2024-11-23 18:20:49,105 INFO L226 Difference]: Without dead ends: 109 [2024-11-23 18:20:49,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 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 18:20:49,108 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:49,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:20:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-23 18:20:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-23 18:20:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-23 18:20:49,129 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 108 [2024-11-23 18:20:49,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:49,130 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-23 18:20:49,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-23 18:20:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:20:49,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:49,132 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:49,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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)] Forceful destruction successful, exit code 0 [2024-11-23 18:20:49,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:49,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:49,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:49,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1756221266, now seen corresponding path program 1 times [2024-11-23 18:20:49,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:49,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053091543] [2024-11-23 18:20:49,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:49,339 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 18:20:49,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:49,343 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:49,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (5)] Waiting until timeout for monitored process [2024-11-23 18:20:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:49,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 18:20:49,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:49,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 18:20:49,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 18:20:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:50,015 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:50,015 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:50,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053091543] [2024-11-23 18:20:50,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053091543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:50,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:50,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:20:50,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318613197] [2024-11-23 18:20:50,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:50,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:20:50,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:50,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:20:50,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:20:50,020 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:50,323 INFO L93 Difference]: Finished difference Result 333 states and 479 transitions. [2024-11-23 18:20:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:20:50,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-23 18:20:50,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:50,326 INFO L225 Difference]: With dead ends: 333 [2024-11-23 18:20:50,327 INFO L226 Difference]: Without dead ends: 227 [2024-11-23 18:20:50,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:20:50,328 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 155 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:50,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 985 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:20:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-23 18:20:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 124. [2024-11-23 18:20:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 111 states have internal predecessors, (155), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 177 transitions. [2024-11-23 18:20:50,340 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 177 transitions. Word has length 108 [2024-11-23 18:20:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:50,340 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 177 transitions. [2024-11-23 18:20:50,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-11-23 18:20:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:20:50,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:50,343 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:50,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (5)] Ended with exit code 0 [2024-11-23 18:20:50,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:50,546 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:50,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:50,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1687701920, now seen corresponding path program 1 times [2024-11-23 18:20:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:50,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204445407] [2024-11-23 18:20:50,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:50,548 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 18:20:50,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:50,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:50,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (6)] Waiting until timeout for monitored process [2024-11-23 18:20:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:50,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:20:50,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:50,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:50,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:50,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204445407] [2024-11-23 18:20:50,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204445407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:50,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:50,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:20:50,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869014216] [2024-11-23 18:20:50,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:50,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:20:50,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:50,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:20:50,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:50,991 INFO L87 Difference]: Start difference. First operand 124 states and 177 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:51,039 INFO L93 Difference]: Finished difference Result 247 states and 354 transitions. [2024-11-23 18:20:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:20:51,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 18:20:51,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:51,041 INFO L225 Difference]: With dead ends: 247 [2024-11-23 18:20:51,041 INFO L226 Difference]: Without dead ends: 126 [2024-11-23 18:20:51,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:51,042 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:51,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 588 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:20:51,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-23 18:20:51,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-23 18:20:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 113 states have internal predecessors, (157), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 179 transitions. [2024-11-23 18:20:51,056 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 179 transitions. Word has length 110 [2024-11-23 18:20:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:51,057 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 179 transitions. [2024-11-23 18:20:51,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 179 transitions. [2024-11-23 18:20:51,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:20:51,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:51,064 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:51,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (6)] Ended with exit code 0 [2024-11-23 18:20:51,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:51,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:51,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash 517495110, now seen corresponding path program 1 times [2024-11-23 18:20:51,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:51,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423633820] [2024-11-23 18:20:51,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:51,267 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 18:20:51,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:51,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:51,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (7)] Waiting until timeout for monitored process [2024-11-23 18:20:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:51,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:20:51,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:51,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:51,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423633820] [2024-11-23 18:20:51,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423633820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:51,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:51,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:20:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024038945] [2024-11-23 18:20:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:51,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:20:51,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:51,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:20:51,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:51,783 INFO L87 Difference]: Start difference. First operand 126 states and 179 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:52,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:52,012 INFO L93 Difference]: Finished difference Result 251 states and 359 transitions. [2024-11-23 18:20:52,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:20:52,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 18:20:52,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:52,014 INFO L225 Difference]: With dead ends: 251 [2024-11-23 18:20:52,015 INFO L226 Difference]: Without dead ends: 128 [2024-11-23 18:20:52,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:20:52,016 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 142 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:52,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 390 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:20:52,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-23 18:20:52,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2024-11-23 18:20:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 114 states have (on average 1.368421052631579) internal successors, (156), 114 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 178 transitions. [2024-11-23 18:20:52,027 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 178 transitions. Word has length 110 [2024-11-23 18:20:52,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:52,027 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 178 transitions. [2024-11-23 18:20:52,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 178 transitions. [2024-11-23 18:20:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:20:52,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:52,029 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:52,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (7)] Forceful destruction successful, exit code 0 [2024-11-23 18:20:52,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:52,230 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:52,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash 775660548, now seen corresponding path program 1 times [2024-11-23 18:20:52,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:52,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53478514] [2024-11-23 18:20:52,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:52,231 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 18:20:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:52,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:52,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (8)] Waiting until timeout for monitored process [2024-11-23 18:20:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:52,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:20:52,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:52,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 18:20:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:52,731 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:52,731 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:52,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53478514] [2024-11-23 18:20:52,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53478514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:52,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:52,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:20:52,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697326955] [2024-11-23 18:20:52,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:52,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:20:52,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:52,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:20:52,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:52,733 INFO L87 Difference]: Start difference. First operand 127 states and 178 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:52,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:52,909 INFO L93 Difference]: Finished difference Result 253 states and 356 transitions. [2024-11-23 18:20:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:20:52,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-23 18:20:52,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:52,912 INFO L225 Difference]: With dead ends: 253 [2024-11-23 18:20:52,912 INFO L226 Difference]: Without dead ends: 129 [2024-11-23 18:20:52,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:20:52,913 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 134 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:52,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 417 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:20:52,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-23 18:20:52,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 114. [2024-11-23 18:20:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2024-11-23 18:20:52,934 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 110 [2024-11-23 18:20:52,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:52,937 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2024-11-23 18:20:52,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2024-11-23 18:20:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-23 18:20:52,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:52,939 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:52,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (8)] Ended with exit code 0 [2024-11-23 18:20:53,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:53,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:53,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:53,141 INFO L85 PathProgramCache]: Analyzing trace with hash 836656669, now seen corresponding path program 1 times [2024-11-23 18:20:53,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:53,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738698665] [2024-11-23 18:20:53,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:53,141 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 18:20:53,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:53,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:53,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (9)] Waiting until timeout for monitored process [2024-11-23 18:20:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:53,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 18:20:53,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:53,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 18:20:53,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 18:20:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:53,762 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:53,762 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:53,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738698665] [2024-11-23 18:20:53,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738698665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:53,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:53,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:20:53,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944404948] [2024-11-23 18:20:53,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:53,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:20:53,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:53,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:20:53,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:20:53,764 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:54,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:54,114 INFO L93 Difference]: Finished difference Result 349 states and 489 transitions. [2024-11-23 18:20:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:20:54,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-23 18:20:54,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:54,117 INFO L225 Difference]: With dead ends: 349 [2024-11-23 18:20:54,118 INFO L226 Difference]: Without dead ends: 238 [2024-11-23 18:20:54,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:20:54,119 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 260 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:54,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1075 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:20:54,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-23 18:20:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 132. [2024-11-23 18:20:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 119 states have (on average 1.3697478991596639) internal successors, (163), 119 states have internal predecessors, (163), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2024-11-23 18:20:54,134 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 112 [2024-11-23 18:20:54,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:54,134 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2024-11-23 18:20:54,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2024-11-23 18:20:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-23 18:20:54,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:54,136 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:54,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (9)] Ended with exit code 0 [2024-11-23 18:20:54,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:54,337 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:54,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash -827079207, now seen corresponding path program 1 times [2024-11-23 18:20:54,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:54,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524147913] [2024-11-23 18:20:54,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:54,339 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 18:20:54,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:54,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:54,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (10)] Waiting until timeout for monitored process [2024-11-23 18:20:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:54,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 18:20:54,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 18:20:55,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-23 18:20:55,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:20:55,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 53 [2024-11-23 18:20:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:55,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:55,443 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:55,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524147913] [2024-11-23 18:20:55,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524147913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:55,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:55,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:20:55,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201275185] [2024-11-23 18:20:55,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:55,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:20:55,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:55,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:20:55,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:20:55,446 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:57,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:20:57,354 INFO L93 Difference]: Finished difference Result 393 states and 553 transitions. [2024-11-23 18:20:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:20:57,356 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-23 18:20:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:20:57,358 INFO L225 Difference]: With dead ends: 393 [2024-11-23 18:20:57,358 INFO L226 Difference]: Without dead ends: 264 [2024-11-23 18:20:57,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:20:57,359 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 225 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:20:57,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 792 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-23 18:20:57,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-23 18:20:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 170. [2024-11-23 18:20:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:20:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 235 transitions. [2024-11-23 18:20:57,376 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 235 transitions. Word has length 112 [2024-11-23 18:20:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:20:57,376 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 235 transitions. [2024-11-23 18:20:57,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:20:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2024-11-23 18:20:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 18:20:57,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:20:57,378 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:57,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (10)] Ended with exit code 0 [2024-11-23 18:20:57,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:57,579 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:20:57,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:20:57,579 INFO L85 PathProgramCache]: Analyzing trace with hash -416864158, now seen corresponding path program 1 times [2024-11-23 18:20:57,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:20:57,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994552674] [2024-11-23 18:20:57,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:20:57,580 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 18:20:57,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:20:57,582 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:20:57,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (11)] Waiting until timeout for monitored process [2024-11-23 18:20:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:20:58,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:20:58,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:20:58,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 18:20:58,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-23 18:20:58,368 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:20:58,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 226 treesize of output 70 [2024-11-23 18:20:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:20:58,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:20:58,386 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:20:58,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994552674] [2024-11-23 18:20:58,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994552674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:20:58,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:20:58,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:20:58,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693448454] [2024-11-23 18:20:58,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:20:58,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:20:58,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:20:58,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:20:58,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:20:58,388 INFO L87 Difference]: Start difference. First operand 170 states and 235 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:00,032 INFO L93 Difference]: Finished difference Result 399 states and 556 transitions. [2024-11-23 18:21:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:21:00,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2024-11-23 18:21:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:00,035 INFO L225 Difference]: With dead ends: 399 [2024-11-23 18:21:00,035 INFO L226 Difference]: Without dead ends: 232 [2024-11-23 18:21:00,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:21:00,036 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 226 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:00,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 435 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 18:21:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-23 18:21:00,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 119. [2024-11-23 18:21:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:21:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 158 transitions. [2024-11-23 18:21:00,053 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 158 transitions. Word has length 114 [2024-11-23 18:21:00,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:00,054 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 158 transitions. [2024-11-23 18:21:00,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2024-11-23 18:21:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 18:21:00,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:00,056 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:00,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (11)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:00,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:00,256 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:00,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:00,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1518129061, now seen corresponding path program 1 times [2024-11-23 18:21:00,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:00,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603002460] [2024-11-23 18:21:00,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:00,259 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 18:21:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:00,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (12)] Waiting until timeout for monitored process [2024-11-23 18:21:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:00,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 18:21:00,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:00,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-23 18:21:00,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2024-11-23 18:21:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:21:00,748 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:00,749 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:00,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603002460] [2024-11-23 18:21:00,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603002460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:00,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:00,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:21:00,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335255065] [2024-11-23 18:21:00,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:00,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:21:00,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:00,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:21:00,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:21:00,751 INFO L87 Difference]: Start difference. First operand 119 states and 158 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:01,033 INFO L93 Difference]: Finished difference Result 241 states and 319 transitions. [2024-11-23 18:21:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:21:01,034 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2024-11-23 18:21:01,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:01,036 INFO L225 Difference]: With dead ends: 241 [2024-11-23 18:21:01,036 INFO L226 Difference]: Without dead ends: 239 [2024-11-23 18:21:01,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:21:01,037 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 119 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:01,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1169 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:21:01,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-23 18:21:01,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 168. [2024-11-23 18:21:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 155 states have (on average 1.264516129032258) internal successors, (196), 155 states have internal predecessors, (196), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:21:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2024-11-23 18:21:01,074 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 114 [2024-11-23 18:21:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:01,074 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2024-11-23 18:21:01,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2024-11-23 18:21:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 18:21:01,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:01,076 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:01,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (12)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:01,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:01,277 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:01,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:01,277 INFO L85 PathProgramCache]: Analyzing trace with hash 740610255, now seen corresponding path program 1 times [2024-11-23 18:21:01,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:01,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209467695] [2024-11-23 18:21:01,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:01,278 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 18:21:01,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:01,280 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:01,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (13)] Waiting until timeout for monitored process [2024-11-23 18:21:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:01,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 18:21:01,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:02,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:02,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 58 [2024-11-23 18:21:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 18:21:02,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:21:03,121 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:03,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209467695] [2024-11-23 18:21:03,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209467695] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:03,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:21:03,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-23 18:21:03,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167635541] [2024-11-23 18:21:03,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:03,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:21:03,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:03,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:21:03,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:21:03,122 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:03,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:03,466 INFO L93 Difference]: Finished difference Result 386 states and 505 transitions. [2024-11-23 18:21:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:21:03,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-23 18:21:03,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:03,469 INFO L225 Difference]: With dead ends: 386 [2024-11-23 18:21:03,469 INFO L226 Difference]: Without dead ends: 221 [2024-11-23 18:21:03,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:21:03,470 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 68 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:03,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 618 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:21:03,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-23 18:21:03,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2024-11-23 18:21:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 197 states have (on average 1.2690355329949239) internal successors, (250), 198 states have internal predecessors, (250), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 18:21:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 286 transitions. [2024-11-23 18:21:03,501 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 286 transitions. Word has length 115 [2024-11-23 18:21:03,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:03,502 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 286 transitions. [2024-11-23 18:21:03,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 286 transitions. [2024-11-23 18:21:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 18:21:03,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:03,505 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:03,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (13)] Ended with exit code 0 [2024-11-23 18:21:03,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:03,706 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:03,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1736939882, now seen corresponding path program 1 times [2024-11-23 18:21:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:03,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871083714] [2024-11-23 18:21:03,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:03,708 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 18:21:03,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:03,710 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:03,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (14)] Waiting until timeout for monitored process [2024-11-23 18:21:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:04,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 18:21:04,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:05,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:05,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 59 [2024-11-23 18:21:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 18:21:05,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:21:05,668 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:05,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871083714] [2024-11-23 18:21:05,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871083714] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:05,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:21:05,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-23 18:21:05,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390246474] [2024-11-23 18:21:05,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:05,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:21:05,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:05,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:21:05,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:21:05,669 INFO L87 Difference]: Start difference. First operand 218 states and 286 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:05,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:05,943 INFO L93 Difference]: Finished difference Result 440 states and 574 transitions. [2024-11-23 18:21:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:21:05,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-23 18:21:05,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:05,948 INFO L225 Difference]: With dead ends: 440 [2024-11-23 18:21:05,948 INFO L226 Difference]: Without dead ends: 225 [2024-11-23 18:21:05,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:21:05,950 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 84 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:05,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 528 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:21:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-23 18:21:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 172. [2024-11-23 18:21:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 158 states have (on average 1.2341772151898733) internal successors, (195), 158 states have internal predecessors, (195), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:21:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 217 transitions. [2024-11-23 18:21:05,976 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 217 transitions. Word has length 115 [2024-11-23 18:21:05,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:05,977 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 217 transitions. [2024-11-23 18:21:05,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:21:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2024-11-23 18:21:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 18:21:05,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:05,981 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:05,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (14)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:06,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:06,182 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:06,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:06,182 INFO L85 PathProgramCache]: Analyzing trace with hash 125314621, now seen corresponding path program 1 times [2024-11-23 18:21:06,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:06,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100552513] [2024-11-23 18:21:06,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:06,183 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 18:21:06,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:06,186 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:21:06,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (15)] Waiting until timeout for monitored process [2024-11-23 18:21:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:06,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:21:06,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:06,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:21:07,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:07,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 57 [2024-11-23 18:21:07,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:07,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 177 treesize of output 115 [2024-11-23 18:21:12,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:12,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 273 treesize of output 99 [2024-11-23 18:21:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 120 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 18:21:12,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:13,736 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:13,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100552513] [2024-11-23 18:21:13,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100552513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:13,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1432127893] [2024-11-23 18:21:13,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:13,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:21:13,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:21:13,743 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:21:13,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-23 18:21:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:15,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 18:21:15,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:16,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-23 18:21:17,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 79 [2024-11-23 18:21:23,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:23,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 213 treesize of output 131 [2024-11-23 18:21:25,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:25,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 269 treesize of output 133 [2024-11-23 18:21:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 16 proven. 120 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-23 18:21:29,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:34,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1432127893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:34,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:21:34,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-23 18:21:34,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102870576] [2024-11-23 18:21:34,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:21:34,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 18:21:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:34,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 18:21:34,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=721, Unknown=4, NotChecked=0, Total=870 [2024-11-23 18:21:34,714 INFO L87 Difference]: Start difference. First operand 172 states and 217 transitions. Second operand has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 21 states have internal predecessors, (117), 7 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-23 18:21:40,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:21:49,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:21:57,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:22:01,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:22:05,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:22:09,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:22:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:23,760 INFO L93 Difference]: Finished difference Result 623 states and 785 transitions. [2024-11-23 18:22:23,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 18:22:23,762 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 21 states have internal predecessors, (117), 7 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 116 [2024-11-23 18:22:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:23,764 INFO L225 Difference]: With dead ends: 623 [2024-11-23 18:22:23,764 INFO L226 Difference]: Without dead ends: 454 [2024-11-23 18:22:23,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 37.6s TimeCoverageRelationStatistics Valid=255, Invalid=1069, Unknown=8, NotChecked=0, Total=1332 [2024-11-23 18:22:23,768 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 915 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 129 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:23,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1030 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 902 Invalid, 6 Unknown, 0 Unchecked, 30.8s Time] [2024-11-23 18:22:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-23 18:22:23,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 448. [2024-11-23 18:22:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 408 states have (on average 1.2303921568627452) internal successors, (502), 410 states have internal predecessors, (502), 32 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:22:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 566 transitions. [2024-11-23 18:22:23,819 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 566 transitions. Word has length 116 [2024-11-23 18:22:23,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:23,819 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 566 transitions. [2024-11-23 18:22:23,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 21 states have internal predecessors, (117), 7 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-23 18:22:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 566 transitions. [2024-11-23 18:22:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 18:22:23,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:23,822 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:23,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (15)] Ended with exit code 0 [2024-11-23 18:22:24,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-23 18:22:24,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:22:24,223 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:24,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:24,224 INFO L85 PathProgramCache]: Analyzing trace with hash 964348283, now seen corresponding path program 1 times [2024-11-23 18:22:24,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:24,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896988246] [2024-11-23 18:22:24,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:24,224 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 18:22:24,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:24,226 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:22:24,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (17)] Waiting until timeout for monitored process [2024-11-23 18:22:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:24,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:22:24,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-23 18:22:24,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:22:24,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:22:24,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896988246] [2024-11-23 18:22:24,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896988246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:24,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:24,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:22:24,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756275142] [2024-11-23 18:22:24,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:24,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:22:24,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:22:24,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:22:24,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:22:24,592 INFO L87 Difference]: Start difference. First operand 448 states and 566 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:24,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:24,725 INFO L93 Difference]: Finished difference Result 895 states and 1132 transitions. [2024-11-23 18:22:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:22:24,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2024-11-23 18:22:24,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:24,730 INFO L225 Difference]: With dead ends: 895 [2024-11-23 18:22:24,730 INFO L226 Difference]: Without dead ends: 450 [2024-11-23 18:22:24,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:22:24,732 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:24,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 403 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:22:24,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-23 18:22:24,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-23 18:22:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 410 states have (on average 1.226829268292683) internal successors, (503), 412 states have internal predecessors, (503), 32 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:22:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 567 transitions. [2024-11-23 18:22:24,805 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 567 transitions. Word has length 116 [2024-11-23 18:22:24,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:24,805 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 567 transitions. [2024-11-23 18:22:24,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 567 transitions. [2024-11-23 18:22:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 18:22:24,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:24,807 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:24,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (17)] Ended with exit code 0 [2024-11-23 18:22:25,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:22:25,009 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:25,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash -460961601, now seen corresponding path program 1 times [2024-11-23 18:22:25,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:25,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234684727] [2024-11-23 18:22:25,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:25,011 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 18:22:25,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:25,013 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:22:25,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (18)] Waiting until timeout for monitored process [2024-11-23 18:22:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:25,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:22:25,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-23 18:22:25,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:22:25,369 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:22:25,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234684727] [2024-11-23 18:22:25,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234684727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:25,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:25,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:22:25,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832009752] [2024-11-23 18:22:25,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:25,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:22:25,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:22:25,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:22:25,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:22:25,371 INFO L87 Difference]: Start difference. First operand 450 states and 567 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:25,491 INFO L93 Difference]: Finished difference Result 897 states and 1131 transitions. [2024-11-23 18:22:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:22:25,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2024-11-23 18:22:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:25,494 INFO L225 Difference]: With dead ends: 897 [2024-11-23 18:22:25,494 INFO L226 Difference]: Without dead ends: 450 [2024-11-23 18:22:25,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:22:25,496 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:25,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 403 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:22:25,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-23 18:22:25,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-23 18:22:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 410 states have (on average 1.224390243902439) internal successors, (502), 412 states have internal predecessors, (502), 32 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:22:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 566 transitions. [2024-11-23 18:22:25,558 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 566 transitions. Word has length 116 [2024-11-23 18:22:25,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:25,558 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 566 transitions. [2024-11-23 18:22:25,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 566 transitions. [2024-11-23 18:22:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-23 18:22:25,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:25,560 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:25,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (18)] Ended with exit code 0 [2024-11-23 18:22:25,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:22:25,760 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:25,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash 935134909, now seen corresponding path program 1 times [2024-11-23 18:22:25,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:25,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206221980] [2024-11-23 18:22:25,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:25,761 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 18:22:25,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:25,763 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:22:25,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (19)] Waiting until timeout for monitored process [2024-11-23 18:22:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:26,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 18:22:26,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:26,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-23 18:22:27,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:22:27,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 65 [2024-11-23 18:22:27,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:22:27,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 200 treesize of output 113 [2024-11-23 18:22:34,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:22:34,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 192 treesize of output 132 [2024-11-23 18:22:43,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:22:43,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 67 [2024-11-23 18:22:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 120 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 18:22:43,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:22:44,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:22:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206221980] [2024-11-23 18:22:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206221980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:22:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2053539389] [2024-11-23 18:22:44,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:22:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:22:44,426 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:22:44,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-23 18:22:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:46,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 18:22:46,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:47,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-23 18:22:49,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 71 [2024-11-23 18:22:58,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:22:58,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 135 [2024-11-23 18:23:13,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:23:13,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 192 treesize of output 152 [2024-11-23 18:23:30,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:23:30,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 259 treesize of output 143 [2024-11-23 18:23:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 120 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 18:23:36,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:23:42,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2053539389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:23:42,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:23:42,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2024-11-23 18:23:42,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820686369] [2024-11-23 18:23:42,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:23:42,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-23 18:23:42,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:23:42,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-23 18:23:42,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=863, Unknown=14, NotChecked=0, Total=1056 [2024-11-23 18:23:42,045 INFO L87 Difference]: Start difference. First operand 450 states and 566 transitions. Second operand has 25 states, 25 states have (on average 5.6) internal successors, (140), 24 states have internal predecessors, (140), 8 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-23 18:23:48,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:23:52,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:23:56,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:00,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:21,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:25,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:29,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:33,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:53,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:24:57,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:01,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:05,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:09,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:13,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:17,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:21,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:25,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:29,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:33,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:37,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:41,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:45,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:49,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:53,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:25:57,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:01,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:22,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:26,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:30,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:34,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:38,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:42,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:46,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:50,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:54,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:26:58,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:02,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:06,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:10,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:14,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:18,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:22,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:26,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:30,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:34,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:38,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:42,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:46,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:51,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:55,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:27:59,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:03,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:07,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:11,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:15,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:19,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:23,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:27,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:31,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:35,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:39,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:43,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:47,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:51,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:55,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:28:59,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:03,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:07,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:11,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:15,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:19,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:23,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:27,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:31,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:35,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:39,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:43,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:47,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:51,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:55,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:29:59,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:03,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:07,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:11,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:15,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:19,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:23,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:27,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:32,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:36,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:40,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:44,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:48,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:52,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:30:56,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:00,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:04,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:08,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:12,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:16,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:21,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:25,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:29,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:33,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:37,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:41,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:45,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:49,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:53,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:31:57,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:01,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:05,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:09,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:13,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:17,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:21,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:25,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:29,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:33,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:37,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:54,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:32:58,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:02,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:07,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:11,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:15,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:19,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:23,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:27,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:31,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:35,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:40,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:44,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:48,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:52,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:33:56,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 18:34:01,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:01,113 INFO L93 Difference]: Finished difference Result 903 states and 1130 transitions. [2024-11-23 18:34:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 18:34:01,114 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.6) internal successors, (140), 24 states have internal predecessors, (140), 8 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 117 [2024-11-23 18:34:01,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:01,117 INFO L225 Difference]: With dead ends: 903 [2024-11-23 18:34:01,117 INFO L226 Difference]: Without dead ends: 456 [2024-11-23 18:34:01,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 126.9s TimeCoverageRelationStatistics Valid=315, Invalid=1296, Unknown=29, NotChecked=0, Total=1640 [2024-11-23 18:34:01,120 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 625 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 79 mSolverCounterUnsat, 136 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 555.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 136 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 555.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:01,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1437 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1280 Invalid, 136 Unknown, 0 Unchecked, 555.8s Time] [2024-11-23 18:34:01,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-23 18:34:01,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 450. [2024-11-23 18:34:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 409 states have (on average 1.21760391198044) internal successors, (498), 411 states have internal predecessors, (498), 32 states have call successors, (32), 8 states have call predecessors, (32), 8 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:34:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 562 transitions. [2024-11-23 18:34:01,185 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 562 transitions. Word has length 117 [2024-11-23 18:34:01,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:01,185 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 562 transitions. [2024-11-23 18:34:01,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.6) internal successors, (140), 24 states have internal predecessors, (140), 8 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-23 18:34:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 562 transitions. [2024-11-23 18:34:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 18:34:01,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:01,188 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:01,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-23 18:34:01,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (19)] Ended with exit code 0 [2024-11-23 18:34:01,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:34:01,590 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:01,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:01,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1055530039, now seen corresponding path program 1 times [2024-11-23 18:34:01,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:34:01,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214277836] [2024-11-23 18:34:01,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:01,592 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 18:34:01,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:34:01,596 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:34:01,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (21)] Waiting until timeout for monitored process [2024-11-23 18:34:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:02,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 18:34:02,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:02,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 8 [2024-11-23 18:34:03,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:03,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 61 [2024-11-23 18:34:04,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:04,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 249 treesize of output 117 [2024-11-23 18:34:07,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:07,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 228 treesize of output 126 [2024-11-23 18:34:12,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:12,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 324 treesize of output 110 [2024-11-23 18:34:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 21 proven. 135 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 18:34:12,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:34:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:34:13,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:34:13,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214277836] [2024-11-23 18:34:13,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214277836] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:34:13,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:34:13,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-23 18:34:13,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177414066] [2024-11-23 18:34:13,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:13,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:34:13,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:34:13,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:34:13,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=355, Unknown=1, NotChecked=0, Total=420 [2024-11-23 18:34:13,198 INFO L87 Difference]: Start difference. First operand 450 states and 562 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:34:14,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:14,468 INFO L93 Difference]: Finished difference Result 942 states and 1177 transitions. [2024-11-23 18:34:14,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:34:14,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-23 18:34:14,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:14,474 INFO L225 Difference]: With dead ends: 942 [2024-11-23 18:34:14,475 INFO L226 Difference]: Without dead ends: 495 [2024-11-23 18:34:14,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=69, Invalid=392, Unknown=1, NotChecked=0, Total=462 [2024-11-23 18:34:14,476 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 88 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:14,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 456 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 18:34:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-23 18:34:14,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 407. [2024-11-23 18:34:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 366 states have (on average 1.221311475409836) internal successors, (447), 368 states have internal predecessors, (447), 32 states have call successors, (32), 8 states have call predecessors, (32), 8 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:34:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 511 transitions. [2024-11-23 18:34:14,543 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 511 transitions. Word has length 118 [2024-11-23 18:34:14,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:14,543 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 511 transitions. [2024-11-23 18:34:14,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:34:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 511 transitions. [2024-11-23 18:34:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 18:34:14,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:14,545 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:14,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (21)] Forceful destruction successful, exit code 0 [2024-11-23 18:34:14,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:34:14,746 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:14,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:14,746 INFO L85 PathProgramCache]: Analyzing trace with hash -560068706, now seen corresponding path program 1 times [2024-11-23 18:34:14,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:34:14,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362292852] [2024-11-23 18:34:14,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:14,747 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 18:34:14,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:34:14,749 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:34:14,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (22)] Waiting until timeout for monitored process [2024-11-23 18:34:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:15,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 18:34:15,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:15,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 10 [2024-11-23 18:34:17,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:17,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 104 [2024-11-23 18:34:18,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:18,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 302 treesize of output 104 [2024-11-23 18:34:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-23 18:34:18,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:34:19,432 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:34:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362292852] [2024-11-23 18:34:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362292852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:34:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [895447264] [2024-11-23 18:34:19,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:19,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:34:19,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:34:19,434 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:34:19,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-23 18:34:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:24,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-23 18:34:24,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:24,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-23 18:34:26,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 79 [2024-11-23 18:34:30,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 147 [2024-11-23 18:34:37,441 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:37,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 268 treesize of output 190 [2024-11-23 18:34:42,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:34:42,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 434 treesize of output 210 [2024-11-23 18:34:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 120 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 18:34:47,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:34:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:34:50,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [895447264] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:34:50,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:34:50,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13, 22] total 38 [2024-11-23 18:34:50,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31664542] [2024-11-23 18:34:50,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:34:50,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:34:50,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:34:50,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:34:50,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1544, Unknown=1, NotChecked=0, Total=1722 [2024-11-23 18:34:50,868 INFO L87 Difference]: Start difference. First operand 407 states and 511 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:34:57,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:57,780 INFO L93 Difference]: Finished difference Result 1011 states and 1266 transitions. [2024-11-23 18:34:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:34:57,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-23 18:34:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:34:57,784 INFO L225 Difference]: With dead ends: 1011 [2024-11-23 18:34:57,784 INFO L226 Difference]: Without dead ends: 607 [2024-11-23 18:34:57,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=217, Invalid=2134, Unknown=1, NotChecked=0, Total=2352 [2024-11-23 18:34:57,786 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 67 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:34:57,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1155 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-23 18:34:57,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-23 18:34:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 469. [2024-11-23 18:34:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 428 states have (on average 1.2126168224299065) internal successors, (519), 430 states have internal predecessors, (519), 32 states have call successors, (32), 8 states have call predecessors, (32), 8 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:34:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 583 transitions. [2024-11-23 18:34:57,854 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 583 transitions. Word has length 118 [2024-11-23 18:34:57,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:34:57,854 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 583 transitions. [2024-11-23 18:34:57,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:34:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 583 transitions. [2024-11-23 18:34:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 18:34:57,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:57,856 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:57,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (22)] Ended with exit code 0 [2024-11-23 18:34:58,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-23 18:34:58,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:34:58,257 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:58,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:58,258 INFO L85 PathProgramCache]: Analyzing trace with hash -953095716, now seen corresponding path program 1 times [2024-11-23 18:34:58,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:34:58,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620226295] [2024-11-23 18:34:58,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:58,259 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 18:34:58,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:34:58,260 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:34:58,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (24)] Waiting until timeout for monitored process [2024-11-23 18:34:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:58,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-23 18:34:58,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:58,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-23 18:34:59,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 81 [2024-11-23 18:35:01,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:35:01,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 238 treesize of output 143 [2024-11-23 18:35:12,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:35:12,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 354 treesize of output 166 [2024-11-23 18:35:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 120 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 18:35:15,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:35:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:35:18,693 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:35:18,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620226295] [2024-11-23 18:35:18,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620226295] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:18,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:18,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 24 [2024-11-23 18:35:18,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680780465] [2024-11-23 18:35:18,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:18,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:35:18,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:35:18,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:35:18,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=473, Unknown=1, NotChecked=0, Total=552 [2024-11-23 18:35:18,695 INFO L87 Difference]: Start difference. First operand 469 states and 583 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:35:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:26,008 INFO L93 Difference]: Finished difference Result 1079 states and 1341 transitions. [2024-11-23 18:35:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:35:26,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-23 18:35:26,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:26,014 INFO L225 Difference]: With dead ends: 1079 [2024-11-23 18:35:26,014 INFO L226 Difference]: Without dead ends: 613 [2024-11-23 18:35:26,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=103, Invalid=598, Unknown=1, NotChecked=0, Total=702 [2024-11-23 18:35:26,016 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 136 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:26,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 652 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-23 18:35:26,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-23 18:35:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 521. [2024-11-23 18:35:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 480 states have (on average 1.2041666666666666) internal successors, (578), 482 states have internal predecessors, (578), 32 states have call successors, (32), 8 states have call predecessors, (32), 8 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:35:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 642 transitions. [2024-11-23 18:35:26,099 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 642 transitions. Word has length 118 [2024-11-23 18:35:26,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:26,100 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 642 transitions. [2024-11-23 18:35:26,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:35:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 642 transitions. [2024-11-23 18:35:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 18:35:26,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:26,104 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:26,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (24)] Forceful destruction successful, exit code 0 [2024-11-23 18:35:26,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:35:26,305 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:26,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:26,307 INFO L85 PathProgramCache]: Analyzing trace with hash -891056102, now seen corresponding path program 1 times [2024-11-23 18:35:26,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:35:26,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923819792] [2024-11-23 18:35:26,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:26,311 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 18:35:26,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:35:26,314 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 18:35:26,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/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 (25)] Waiting until timeout for monitored process [2024-11-23 18:35:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:26,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 18:35:26,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:27,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-23 18:35:28,411 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:35:28,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 100 [2024-11-23 18:35:29,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:35:29,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 292 treesize of output 100 [2024-11-23 18:35:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-23 18:35:29,833 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:35:31,467 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:35:31,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923819792] [2024-11-23 18:35:31,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923819792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:31,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1256628938] [2024-11-23 18:35:31,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:31,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:35:31,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:35:31,469 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:35:31,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff6017c-c3bf-4e66-b4a1-09d030ff2e89/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-23 18:35:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:36,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-23 18:35:36,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:35:37,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8