./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX --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 6b98b3e6d4123b2c62885793f0f4aa562f07507641655645ebc5f61e61734f1f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:39:45,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:39:45,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:39:45,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:39:45,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:39:45,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:39:45,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:39:45,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:39:45,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:39:45,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:39:45,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:39:45,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:39:45,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:39:45,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:39:45,243 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:39:45,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:39:45,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:39:45,244 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:39:45,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:39:45,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:39:45,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:39:45,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:39:45,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:39:45,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:39:45,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:39:45,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:39:45,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:39:45,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:39:45,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:39:45,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:39:45,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:39:45,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:39:45,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:39:45,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:39:45,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:39:45,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:39:45,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:39:45,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:39:45,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:39:45,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:39:45,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:39:45,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:39:45,259 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b98b3e6d4123b2c62885793f0f4aa562f07507641655645ebc5f61e61734f1f [2024-11-08 18:39:45,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:39:45,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:39:45,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:39:45,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:39:45,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:39:45,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i Unable to find full path for "g++" [2024-11-08 18:39:47,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:39:47,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:39:47,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i [2024-11-08 18:39:47,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/data/fc759c56f/2491bfb85a19408bbb477feaa2da0321/FLAGbdaf8ef48 [2024-11-08 18:39:47,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/data/fc759c56f/2491bfb85a19408bbb477feaa2da0321 [2024-11-08 18:39:47,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:39:47,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:39:47,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:39:47,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:39:47,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:39:47,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:39:47" (1/1) ... [2024-11-08 18:39:47,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54522970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:47, skipping insertion in model container [2024-11-08 18:39:47,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:39:47" (1/1) ... [2024-11-08 18:39:47,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:39:48,061 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_85dd4d35-99f5-4a3d-9588-01a517965171/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i[915,928] [2024-11-08 18:39:48,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:39:48,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:39:48,139 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_85dd4d35-99f5-4a3d-9588-01a517965171/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i[915,928] [2024-11-08 18:39:48,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:39:48,190 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:39:48,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48 WrapperNode [2024-11-08 18:39:48,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:39:48,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:39:48,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:39:48,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:39:48,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,247 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-08 18:39:48,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:39:48,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:39:48,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:39:48,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:39:48,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,278 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:39:48,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:39:48,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:39:48,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:39:48,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:39:48,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (1/1) ... [2024-11-08 18:39:48,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:39:48,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:39:48,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:39:48,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:39:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:39:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:39:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:39:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:39:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:39:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:39:48,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:39:48,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:39:48,825 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 18:39:48,825 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:39:48,844 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:39:48,844 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:39:48,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:39:48 BoogieIcfgContainer [2024-11-08 18:39:48,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:39:48,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:39:48,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:39:48,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:39:48,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:39:47" (1/3) ... [2024-11-08 18:39:48,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b2cc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:39:48, skipping insertion in model container [2024-11-08 18:39:48,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:48" (2/3) ... [2024-11-08 18:39:48,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b2cc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:39:48, skipping insertion in model container [2024-11-08 18:39:48,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:39:48" (3/3) ... [2024-11-08 18:39:48,854 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-7.i [2024-11-08 18:39:48,876 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:39:48,876 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:39:48,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:39:48,956 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;@209d2309, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:39:48,956 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:39:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 18:39:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 18:39:48,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:48,973 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:48,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:48,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:48,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2011258159, now seen corresponding path program 1 times [2024-11-08 18:39:48,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:48,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768055399] [2024-11-08 18:39:48,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:49,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:49,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768055399] [2024-11-08 18:39:49,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768055399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:49,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:49,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:39:49,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653315628] [2024-11-08 18:39:49,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:49,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:39:49,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:49,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:39:49,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:39:49,538 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 18:39:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:49,562 INFO L93 Difference]: Finished difference Result 89 states and 153 transitions. [2024-11-08 18:39:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:39:49,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 94 [2024-11-08 18:39:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:49,572 INFO L225 Difference]: With dead ends: 89 [2024-11-08 18:39:49,572 INFO L226 Difference]: Without dead ends: 44 [2024-11-08 18:39:49,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:39:49,579 INFO L432 NwaCegarLoop]: 64 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, 64 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 [2024-11-08 18:39:49,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:39:49,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-08 18:39:49,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-08 18:39:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 18:39:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2024-11-08 18:39:49,621 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 94 [2024-11-08 18:39:49,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:49,622 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2024-11-08 18:39:49,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 18:39:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-08 18:39:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 18:39:49,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:49,626 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:49,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:39:49,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:49,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:49,627 INFO L85 PathProgramCache]: Analyzing trace with hash -581412461, now seen corresponding path program 1 times [2024-11-08 18:39:49,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:49,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323852493] [2024-11-08 18:39:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:49,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:51,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:51,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323852493] [2024-11-08 18:39:51,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323852493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:51,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:51,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:39:51,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700789395] [2024-11-08 18:39:51,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:51,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:39:51,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:51,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:39:51,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:39:51,810 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:52,112 INFO L93 Difference]: Finished difference Result 114 states and 162 transitions. [2024-11-08 18:39:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:39:52,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94 [2024-11-08 18:39:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:52,115 INFO L225 Difference]: With dead ends: 114 [2024-11-08 18:39:52,115 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 18:39:52,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:39:52,117 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 50 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:39:52,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 348 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:39:52,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 18:39:52,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 59. [2024-11-08 18:39:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 18:39:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2024-11-08 18:39:52,133 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 94 [2024-11-08 18:39:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:52,134 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2024-11-08 18:39:52,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2024-11-08 18:39:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 18:39:52,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:52,137 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:52,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:39:52,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:52,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:52,138 INFO L85 PathProgramCache]: Analyzing trace with hash -14391918, now seen corresponding path program 1 times [2024-11-08 18:39:52,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:52,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955419714] [2024-11-08 18:39:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:52,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:52,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:52,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955419714] [2024-11-08 18:39:52,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955419714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:52,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:52,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:39:52,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020139187] [2024-11-08 18:39:52,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:52,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:39:52,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:52,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:39:52,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:39:52,255 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:52,312 INFO L93 Difference]: Finished difference Result 134 states and 181 transitions. [2024-11-08 18:39:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:39:52,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 95 [2024-11-08 18:39:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:52,316 INFO L225 Difference]: With dead ends: 134 [2024-11-08 18:39:52,316 INFO L226 Difference]: Without dead ends: 85 [2024-11-08 18:39:52,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:39:52,322 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 30 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:39:52,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 138 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:39:52,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-08 18:39:52,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-08 18:39:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 54 states have internal predecessors, (60), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 18:39:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2024-11-08 18:39:52,350 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 95 [2024-11-08 18:39:52,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:52,351 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2024-11-08 18:39:52,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:52,351 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-11-08 18:39:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 18:39:52,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:52,356 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:52,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:39:52,356 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:52,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:52,357 INFO L85 PathProgramCache]: Analyzing trace with hash 42866384, now seen corresponding path program 1 times [2024-11-08 18:39:52,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:52,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958812414] [2024-11-08 18:39:52,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:52,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:55,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:55,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958812414] [2024-11-08 18:39:55,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958812414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:55,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:55,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:39:55,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699734397] [2024-11-08 18:39:55,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:55,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:39:55,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:55,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:39:55,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:39:55,789 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:55,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:55,973 INFO L93 Difference]: Finished difference Result 101 states and 132 transitions. [2024-11-08 18:39:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:39:55,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 95 [2024-11-08 18:39:55,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:55,975 INFO L225 Difference]: With dead ends: 101 [2024-11-08 18:39:55,976 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 18:39:55,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:39:55,977 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 53 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:39:55,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 295 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:39:55,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 18:39:55,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 82. [2024-11-08 18:39:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 54 states have internal predecessors, (59), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 18:39:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2024-11-08 18:39:55,993 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 95 [2024-11-08 18:39:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:55,994 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2024-11-08 18:39:55,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2024-11-08 18:39:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 18:39:55,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:55,996 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:55,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:39:55,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:55,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash -851637617, now seen corresponding path program 1 times [2024-11-08 18:39:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:55,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437570971] [2024-11-08 18:39:55,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:57,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:57,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437570971] [2024-11-08 18:39:57,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437570971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:57,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:57,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:39:57,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025466944] [2024-11-08 18:39:57,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:57,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:39:57,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:57,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:39:57,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:39:57,599 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:57,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:57,855 INFO L93 Difference]: Finished difference Result 110 states and 141 transitions. [2024-11-08 18:39:57,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:39:57,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-11-08 18:39:57,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:57,858 INFO L225 Difference]: With dead ends: 110 [2024-11-08 18:39:57,858 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 18:39:57,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:39:57,860 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 60 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:39:57,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 330 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:39:57,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 18:39:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2024-11-08 18:39:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 70 states have internal predecessors, (76), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 26 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 18:39:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2024-11-08 18:39:57,880 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 134 transitions. Word has length 96 [2024-11-08 18:39:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:57,881 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-08 18:39:57,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2024-11-08 18:39:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 18:39:57,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:57,883 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:57,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:39:57,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:57,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:57,884 INFO L85 PathProgramCache]: Analyzing trace with hash 923369745, now seen corresponding path program 1 times [2024-11-08 18:39:57,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:57,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024512104] [2024-11-08 18:39:57,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:57,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:58,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:58,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024512104] [2024-11-08 18:39:58,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024512104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:58,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:58,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:39:58,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673786098] [2024-11-08 18:39:58,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:58,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:39:58,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:39:58,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:39:58,814 INFO L87 Difference]: Start difference. First operand 103 states and 134 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:59,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:59,167 INFO L93 Difference]: Finished difference Result 127 states and 157 transitions. [2024-11-08 18:39:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:39:59,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-11-08 18:39:59,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:59,169 INFO L225 Difference]: With dead ends: 127 [2024-11-08 18:39:59,169 INFO L226 Difference]: Without dead ends: 125 [2024-11-08 18:39:59,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:39:59,170 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 69 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:39:59,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 321 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:39:59,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-08 18:39:59,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2024-11-08 18:39:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 79 states have (on average 1.1139240506329113) internal successors, (88), 83 states have internal predecessors, (88), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 27 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 18:39:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-08 18:39:59,196 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 96 [2024-11-08 18:39:59,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:59,196 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-08 18:39:59,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-08 18:39:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 18:39:59,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:39:59,198 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:59,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:39:59,198 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:39:59,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:39:59,199 INFO L85 PathProgramCache]: Analyzing trace with hash -869293209, now seen corresponding path program 1 times [2024-11-08 18:39:59,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:39:59,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279131363] [2024-11-08 18:39:59,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:39:59,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:39:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:39:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:39:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:39:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:39:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:39:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:39:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:39:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:39:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:39:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 18:39:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:39:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:39:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 18:39:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 18:39:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 18:39:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:39:59,314 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-08 18:39:59,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:39:59,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279131363] [2024-11-08 18:39:59,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279131363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:39:59,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:39:59,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:39:59,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025326930] [2024-11-08 18:39:59,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:39:59,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:39:59,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:39:59,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:39:59,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:39:59,317 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:59,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:39:59,463 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2024-11-08 18:39:59,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:39:59,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2024-11-08 18:39:59,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:39:59,466 INFO L225 Difference]: With dead ends: 260 [2024-11-08 18:39:59,466 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:39:59,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:39:59,469 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 54 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:39:59,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 201 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:39:59,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:39:59,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:39:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:39:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:39:59,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2024-11-08 18:39:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:39:59,475 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:39:59,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 18:39:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:39:59,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:39:59,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:39:59,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:39:59,485 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:39:59,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:40:00,081 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:40:00,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:40:00 BoogieIcfgContainer [2024-11-08 18:40:00,109 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:40:00,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:40:00,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:40:00,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:40:00,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:39:48" (3/4) ... [2024-11-08 18:40:00,115 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:40:00,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 18:40:00,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 18:40:00,126 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 18:40:00,127 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:40:00,127 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:40:00,216 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:40:00,217 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:40:00,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:40:00,218 INFO L158 Benchmark]: Toolchain (without parser) took 12398.73ms. Allocated memory was 146.8MB in the beginning and 333.4MB in the end (delta: 186.6MB). Free memory was 119.0MB in the beginning and 142.2MB in the end (delta: -23.2MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,218 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:40:00,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.45ms. Allocated memory is still 146.8MB. Free memory was 119.0MB in the beginning and 104.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.59ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 102.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,219 INFO L158 Benchmark]: Boogie Preprocessor took 64.59ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 98.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,219 INFO L158 Benchmark]: RCFGBuilder took 527.07ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 82.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,220 INFO L158 Benchmark]: TraceAbstraction took 11262.37ms. Allocated memory was 146.8MB in the beginning and 333.4MB in the end (delta: 186.6MB). Free memory was 82.1MB in the beginning and 148.5MB in the end (delta: -66.4MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,220 INFO L158 Benchmark]: Witness Printer took 104.97ms. Allocated memory is still 333.4MB. Free memory was 148.5MB in the beginning and 142.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:40:00,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.45ms. Allocated memory is still 146.8MB. Free memory was 119.0MB in the beginning and 104.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.59ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 102.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.59ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 98.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 527.07ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 82.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11262.37ms. Allocated memory was 146.8MB in the beginning and 333.4MB in the end (delta: 186.6MB). Free memory was 82.1MB in the beginning and 148.5MB in the end (delta: -66.4MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. * Witness Printer took 104.97ms. Allocated memory is still 333.4MB. Free memory was 148.5MB in the beginning and 142.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 7, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 316 mSDsluCounter, 1697 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1140 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 428 IncrementalHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 557 mSDtfsCounter, 428 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=6, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 44 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 1049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2940/2940 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((var_1_8 == 0) || ((((0 <= 0) && (((0 == var_1_10) || (var_1_12 == var_1_6)) || (var_1_11 < var_1_4))) && (var_1_7 == var_1_11)) && (var_1_1 == var_1_6))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_12 == \old(last_1_var_1_12))) RESULT: Ultimate proved your program to be correct! [2024-11-08 18:40:00,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85dd4d35-99f5-4a3d-9588-01a517965171/bin/uautomizer-verify-jihMAELWvX/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 Writing output log to file Ultimate.log Result: TRUE