./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:27:50,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:27:50,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:27:50,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:27:50,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:27:50,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:27:50,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:27:50,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:27:50,187 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:27:50,188 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:27:50,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:27:50,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:27:50,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:27:50,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:27:50,191 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:27:50,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:27:50,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:27:50,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:27:50,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:27:50,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:27:50,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:27:50,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:27:50,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:27:50,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:27:50,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:27:50,198 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:27:50,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:27:50,199 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:27:50,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:27:50,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:27:50,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:27:50,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:27:50,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:27:50,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:27:50,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:27:50,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:27:50,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:27:50,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:27:50,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:27:50,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:27:50,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:27:50,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:27:50,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:27:50,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:27:50,205 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2024-11-23 01:27:50,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:27:50,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:27:50,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:27:50,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:27:50,477 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:27:50,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-11-23 01:27:51,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:27:52,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:27:52,268 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-11-23 01:27:52,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d79836a/480fd90574604039b16cb65a6d30d605/FLAG84a47e31d [2024-11-23 01:27:52,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d79836a/480fd90574604039b16cb65a6d30d605 [2024-11-23 01:27:52,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:27:52,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:27:52,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:27:52,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:27:52,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:27:52,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:52" (1/1) ... [2024-11-23 01:27:52,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296f5504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:52, skipping insertion in model container [2024-11-23 01:27:52,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:52" (1/1) ... [2024-11-23 01:27:52,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:27:52,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:27:52,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:27:53,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:27:53,086 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:27:53,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53 WrapperNode [2024-11-23 01:27:53,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:27:53,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:27:53,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:27:53,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:27:53,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,211 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2046 [2024-11-23 01:27:53,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:27:53,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:27:53,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:27:53,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:27:53,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,347 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 24, 323]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 1, 82]. [2024-11-23 01:27:53,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:27:53,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:27:53,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:27:53,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:27:53,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (1/1) ... [2024-11-23 01:27:53,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:27:53,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:27:53,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 01:27:53,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 01:27:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 01:27:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 01:27:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:27:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:27:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:27:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 01:27:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 01:27:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:27:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:27:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:27:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 01:27:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 01:27:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 01:27:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 01:27:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 01:27:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:27:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:27:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:27:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:27:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:27:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:27:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:27:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:27:53,910 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:27:53,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:27:55,916 INFO L? ?]: Removed 492 outVars from TransFormulas that were not future-live. [2024-11-23 01:27:55,916 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:27:55,948 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:27:55,951 INFO L316 CfgBuilder]: Removed 83 assume(true) statements. [2024-11-23 01:27:55,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:55 BoogieIcfgContainer [2024-11-23 01:27:55,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:27:55,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:27:55,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:27:55,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:27:55,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:27:52" (1/3) ... [2024-11-23 01:27:55,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef0f083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:27:55, skipping insertion in model container [2024-11-23 01:27:55,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:53" (2/3) ... [2024-11-23 01:27:55,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef0f083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:27:55, skipping insertion in model container [2024-11-23 01:27:55,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:55" (3/3) ... [2024-11-23 01:27:55,960 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2024-11-23 01:27:55,977 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:27:55,977 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-23 01:27:56,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:27:56,069 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;@2d5f2970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:27:56,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 01:27:56,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 589 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 579 states have internal predecessors, (916), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 01:27:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-23 01:27:56,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:56,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-23 01:27:56,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:56,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1851784934, now seen corresponding path program 1 times [2024-11-23 01:27:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:56,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899567284] [2024-11-23 01:27:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:56,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:27:56,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:56,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899567284] [2024-11-23 01:27:56,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899567284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:56,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:56,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:27:56,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080150599] [2024-11-23 01:27:56,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:56,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:27:56,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:56,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:27:56,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:27:56,285 INFO L87 Difference]: Start difference. First operand has 589 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 579 states have internal predecessors, (916), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-23 01:27:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:56,375 INFO L93 Difference]: Finished difference Result 1172 states and 1886 transitions. [2024-11-23 01:27:56,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:27:56,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2024-11-23 01:27:56,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:56,395 INFO L225 Difference]: With dead ends: 1172 [2024-11-23 01:27:56,395 INFO L226 Difference]: Without dead ends: 578 [2024-11-23 01:27:56,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:27:56,403 INFO L432 NwaCegarLoop]: 845 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, 845 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:56,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:27:56,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-23 01:27:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2024-11-23 01:27:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 557 states have (on average 1.4631956912028725) internal successors, (815), 569 states have internal predecessors, (815), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 01:27:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 837 transitions. [2024-11-23 01:27:56,494 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 837 transitions. Word has length 6 [2024-11-23 01:27:56,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:56,495 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 837 transitions. [2024-11-23 01:27:56,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-23 01:27:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 837 transitions. [2024-11-23 01:27:56,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 01:27:56,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:56,496 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:56,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:27:56,497 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:56,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:56,497 INFO L85 PathProgramCache]: Analyzing trace with hash 217801389, now seen corresponding path program 1 times [2024-11-23 01:27:56,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:56,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714002638] [2024-11-23 01:27:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:27:56,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:56,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714002638] [2024-11-23 01:27:56,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714002638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:56,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:56,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:27:56,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819120348] [2024-11-23 01:27:56,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:56,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:27:56,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:56,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:27:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:56,602 INFO L87 Difference]: Start difference. First operand 578 states and 837 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 01:27:56,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:56,719 INFO L93 Difference]: Finished difference Result 1319 states and 1925 transitions. [2024-11-23 01:27:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:27:56,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2024-11-23 01:27:56,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:56,726 INFO L225 Difference]: With dead ends: 1319 [2024-11-23 01:27:56,726 INFO L226 Difference]: Without dead ends: 1137 [2024-11-23 01:27:56,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:56,728 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 794 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:56,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1696 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:27:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-11-23 01:27:56,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 754. [2024-11-23 01:27:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 728 states have (on average 1.467032967032967) internal successors, (1068), 745 states have internal predecessors, (1068), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:27:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1100 transitions. [2024-11-23 01:27:56,766 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1100 transitions. Word has length 7 [2024-11-23 01:27:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:56,766 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1100 transitions. [2024-11-23 01:27:56,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-23 01:27:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1100 transitions. [2024-11-23 01:27:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 01:27:56,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:56,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:56,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 01:27:56,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:56,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:56,773 INFO L85 PathProgramCache]: Analyzing trace with hash 724823291, now seen corresponding path program 1 times [2024-11-23 01:27:56,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:56,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321414934] [2024-11-23 01:27:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:56,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:27:57,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:57,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321414934] [2024-11-23 01:27:57,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321414934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:57,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:57,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 01:27:57,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378699005] [2024-11-23 01:27:57,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:57,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:27:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:57,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:27:57,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:27:57,567 INFO L87 Difference]: Start difference. First operand 754 states and 1100 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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) [2024-11-23 01:27:57,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:57,678 INFO L93 Difference]: Finished difference Result 1459 states and 2127 transitions. [2024-11-23 01:27:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:27:57,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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) Word has length 151 [2024-11-23 01:27:57,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:57,684 INFO L225 Difference]: With dead ends: 1459 [2024-11-23 01:27:57,684 INFO L226 Difference]: Without dead ends: 712 [2024-11-23 01:27:57,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:27:57,688 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 22 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:57,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2182 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:27:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-23 01:27:57,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-23 01:27:57,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 686 states have (on average 1.444606413994169) internal successors, (991), 703 states have internal predecessors, (991), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:27:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1023 transitions. [2024-11-23 01:27:57,712 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1023 transitions. Word has length 151 [2024-11-23 01:27:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:57,713 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1023 transitions. [2024-11-23 01:27:57,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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) [2024-11-23 01:27:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1023 transitions. [2024-11-23 01:27:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 01:27:57,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:57,720 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:57,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:27:57,721 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:57,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:57,721 INFO L85 PathProgramCache]: Analyzing trace with hash 697169549, now seen corresponding path program 1 times [2024-11-23 01:27:57,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:57,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882940275] [2024-11-23 01:27:57,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:57,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:27:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:58,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882940275] [2024-11-23 01:27:58,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882940275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:58,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:27:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815019492] [2024-11-23 01:27:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:58,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:27:58,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:58,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:27:58,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:27:58,019 INFO L87 Difference]: Start difference. First operand 712 states and 1023 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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) [2024-11-23 01:27:58,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:58,099 INFO L93 Difference]: Finished difference Result 1411 states and 2033 transitions. [2024-11-23 01:27:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:27:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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) Word has length 151 [2024-11-23 01:27:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:58,103 INFO L225 Difference]: With dead ends: 1411 [2024-11-23 01:27:58,104 INFO L226 Difference]: Without dead ends: 706 [2024-11-23 01:27:58,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:27:58,107 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 9 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:58,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2183 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:27:58,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-23 01:27:58,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2024-11-23 01:27:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 680 states have (on average 1.4426470588235294) internal successors, (981), 697 states have internal predecessors, (981), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:27:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1013 transitions. [2024-11-23 01:27:58,138 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1013 transitions. Word has length 151 [2024-11-23 01:27:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:58,139 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1013 transitions. [2024-11-23 01:27:58,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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) [2024-11-23 01:27:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1013 transitions. [2024-11-23 01:27:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 01:27:58,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:58,143 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:58,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:27:58,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:58,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:58,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1336057733, now seen corresponding path program 1 times [2024-11-23 01:27:58,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:58,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825375773] [2024-11-23 01:27:58,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:58,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:27:58,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:58,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825375773] [2024-11-23 01:27:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825375773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:58,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:58,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:27:58,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138546106] [2024-11-23 01:27:58,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:58,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:27:58,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:58,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:27:58,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:58,378 INFO L87 Difference]: Start difference. First operand 706 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-23 01:27:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:58,439 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2024-11-23 01:27:58,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:27:58,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) Word has length 151 [2024-11-23 01:27:58,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:58,446 INFO L225 Difference]: With dead ends: 1484 [2024-11-23 01:27:58,446 INFO L226 Difference]: Without dead ends: 785 [2024-11-23 01:27:58,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:58,450 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 54 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:58,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1491 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:27:58,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-23 01:27:58,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2024-11-23 01:27:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 759 states have (on average 1.4321475625823452) internal successors, (1087), 776 states have internal predecessors, (1087), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:27:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1119 transitions. [2024-11-23 01:27:58,473 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1119 transitions. Word has length 151 [2024-11-23 01:27:58,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:58,473 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1119 transitions. [2024-11-23 01:27:58,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-23 01:27:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1119 transitions. [2024-11-23 01:27:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 01:27:58,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:58,478 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:58,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:27:58,480 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:58,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:58,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1278445561, now seen corresponding path program 1 times [2024-11-23 01:27:58,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:58,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670200553] [2024-11-23 01:27:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:58,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:27:58,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:58,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670200553] [2024-11-23 01:27:58,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670200553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:58,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:58,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:27:58,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117591804] [2024-11-23 01:27:58,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:58,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:27:58,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:27:58,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:27:58,805 INFO L87 Difference]: Start difference. First operand 785 states and 1119 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:27:58,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:58,885 INFO L93 Difference]: Finished difference Result 1442 states and 2059 transitions. [2024-11-23 01:27:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:27:58,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-23 01:27:58,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:58,889 INFO L225 Difference]: With dead ends: 1442 [2024-11-23 01:27:58,889 INFO L226 Difference]: Without dead ends: 743 [2024-11-23 01:27:58,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:27:58,891 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 30 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:58,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1923 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:27:58,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-23 01:27:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-11-23 01:27:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.408647140864714) internal successors, (1010), 734 states have internal predecessors, (1010), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:27:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1042 transitions. [2024-11-23 01:27:58,909 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1042 transitions. Word has length 166 [2024-11-23 01:27:58,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:58,910 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1042 transitions. [2024-11-23 01:27:58,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:27:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1042 transitions. [2024-11-23 01:27:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 01:27:58,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:58,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:58,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:27:58,913 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:58,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:58,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2056778055, now seen corresponding path program 1 times [2024-11-23 01:27:58,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:58,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206704848] [2024-11-23 01:27:58,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:58,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:27:59,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:59,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206704848] [2024-11-23 01:27:59,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206704848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:59,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:59,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:27:59,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772116046] [2024-11-23 01:27:59,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:59,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:27:59,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:59,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:27:59,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:59,243 INFO L87 Difference]: Start difference. First operand 743 states and 1042 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:27:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:59,292 INFO L93 Difference]: Finished difference Result 1400 states and 1971 transitions. [2024-11-23 01:27:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:27:59,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-23 01:27:59,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:59,297 INFO L225 Difference]: With dead ends: 1400 [2024-11-23 01:27:59,297 INFO L226 Difference]: Without dead ends: 743 [2024-11-23 01:27:59,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:59,299 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 1 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:59,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1300 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:27:59,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-23 01:27:59,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-11-23 01:27:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.404463040446304) internal successors, (1007), 734 states have internal predecessors, (1007), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 01:27:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1039 transitions. [2024-11-23 01:27:59,321 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1039 transitions. Word has length 166 [2024-11-23 01:27:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:59,322 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1039 transitions. [2024-11-23 01:27:59,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:27:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1039 transitions. [2024-11-23 01:27:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 01:27:59,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:59,324 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:59,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:27:59,325 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:59,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash 780107453, now seen corresponding path program 1 times [2024-11-23 01:27:59,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:59,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823937615] [2024-11-23 01:27:59,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:59,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:27:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:27:59,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:27:59,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823937615] [2024-11-23 01:27:59,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823937615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:27:59,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:27:59,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:27:59,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123004413] [2024-11-23 01:27:59,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:27:59,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:27:59,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:27:59,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:27:59,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:59,598 INFO L87 Difference]: Start difference. First operand 743 states and 1039 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:27:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:27:59,689 INFO L93 Difference]: Finished difference Result 1721 states and 2424 transitions. [2024-11-23 01:27:59,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:27:59,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-23 01:27:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:27:59,696 INFO L225 Difference]: With dead ends: 1721 [2024-11-23 01:27:59,697 INFO L226 Difference]: Without dead ends: 1064 [2024-11-23 01:27:59,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:27:59,698 INFO L432 NwaCegarLoop]: 861 mSDtfsCounter, 383 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:27:59,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:27:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-23 01:27:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1059. [2024-11-23 01:27:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 1020 states have (on average 1.4098039215686275) internal successors, (1438), 1047 states have internal predecessors, (1438), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-23 01:27:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1496 transitions. [2024-11-23 01:27:59,728 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1496 transitions. Word has length 166 [2024-11-23 01:27:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:27:59,729 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1496 transitions. [2024-11-23 01:27:59,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:27:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1496 transitions. [2024-11-23 01:27:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-23 01:27:59,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:27:59,734 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:27:59,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 01:27:59,734 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:27:59,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:27:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash -909316027, now seen corresponding path program 1 times [2024-11-23 01:27:59,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:27:59,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360637002] [2024-11-23 01:27:59,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:27:59,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:27:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:28:00,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:00,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360637002] [2024-11-23 01:28:00,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360637002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:00,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:00,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:28:00,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296909207] [2024-11-23 01:28:00,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:00,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:00,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:00,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:00,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:28:00,160 INFO L87 Difference]: Start difference. First operand 1059 states and 1496 transitions. Second operand has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:00,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:00,238 INFO L93 Difference]: Finished difference Result 1127 states and 1582 transitions. [2024-11-23 01:28:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:00,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-11-23 01:28:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:00,244 INFO L225 Difference]: With dead ends: 1127 [2024-11-23 01:28:00,245 INFO L226 Difference]: Without dead ends: 1125 [2024-11-23 01:28:00,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:28:00,247 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 462 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:00,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1959 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:28:00,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-23 01:28:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1123. [2024-11-23 01:28:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4024051803885291) internal successors, (1516), 1108 states have internal predecessors, (1516), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:28:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1580 transitions. [2024-11-23 01:28:00,275 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1580 transitions. Word has length 181 [2024-11-23 01:28:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:00,275 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1580 transitions. [2024-11-23 01:28:00,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 54.666666666666664) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1580 transitions. [2024-11-23 01:28:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-23 01:28:00,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:00,278 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:00,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 01:28:00,278 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:00,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:00,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1800175660, now seen corresponding path program 1 times [2024-11-23 01:28:00,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:00,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870814195] [2024-11-23 01:28:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:00,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 01:28:01,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:01,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870814195] [2024-11-23 01:28:01,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870814195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:01,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206416657] [2024-11-23 01:28:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:01,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:01,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:01,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:01,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 01:28:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:01,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 01:28:01,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:01,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:28:01,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-23 01:28:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:28:03,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:03,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206416657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:03,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:28:03,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-23 01:28:03,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507837254] [2024-11-23 01:28:03,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:03,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 01:28:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 01:28:03,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-23 01:28:03,471 INFO L87 Difference]: Start difference. First operand 1123 states and 1580 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:06,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:06,392 INFO L93 Difference]: Finished difference Result 2209 states and 3118 transitions. [2024-11-23 01:28:06,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 01:28:06,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-11-23 01:28:06,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:06,401 INFO L225 Difference]: With dead ends: 2209 [2024-11-23 01:28:06,401 INFO L226 Difference]: Without dead ends: 1125 [2024-11-23 01:28:06,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-23 01:28:06,405 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 714 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 5589 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:06,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 5589 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-23 01:28:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-23 01:28:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1123. [2024-11-23 01:28:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4014801110083257) internal successors, (1515), 1108 states have internal predecessors, (1515), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:28:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1579 transitions. [2024-11-23 01:28:06,447 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1579 transitions. Word has length 187 [2024-11-23 01:28:06,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:06,448 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1579 transitions. [2024-11-23 01:28:06,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1579 transitions. [2024-11-23 01:28:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-23 01:28:06,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:06,451 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:06,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 01:28:06,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 01:28:06,652 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:06,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:06,653 INFO L85 PathProgramCache]: Analyzing trace with hash 57252080, now seen corresponding path program 1 times [2024-11-23 01:28:06,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:06,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010667573] [2024-11-23 01:28:06,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:06,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 01:28:07,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:07,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010667573] [2024-11-23 01:28:07,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010667573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:07,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961369593] [2024-11-23 01:28:07,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:07,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:07,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:07,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:07,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 01:28:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:08,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 01:28:08,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:28:08,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:08,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961369593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:08,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:28:08,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-23 01:28:08,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577411062] [2024-11-23 01:28:08,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:08,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:08,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:08,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:28:08,116 INFO L87 Difference]: Start difference. First operand 1123 states and 1579 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:08,244 INFO L93 Difference]: Finished difference Result 2207 states and 3117 transitions. [2024-11-23 01:28:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:08,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-23 01:28:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:08,250 INFO L225 Difference]: With dead ends: 2207 [2024-11-23 01:28:08,250 INFO L226 Difference]: Without dead ends: 1123 [2024-11-23 01:28:08,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:28:08,253 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 13 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:08,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1846 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:08,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-11-23 01:28:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2024-11-23 01:28:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.3996299722479186) internal successors, (1513), 1108 states have internal predecessors, (1513), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:28:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1577 transitions. [2024-11-23 01:28:08,282 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1577 transitions. Word has length 188 [2024-11-23 01:28:08,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:08,282 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1577 transitions. [2024-11-23 01:28:08,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1577 transitions. [2024-11-23 01:28:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-23 01:28:08,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:08,284 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:08,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 01:28:08,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-23 01:28:08,490 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:08,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:08,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2051162705, now seen corresponding path program 1 times [2024-11-23 01:28:08,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:08,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793522047] [2024-11-23 01:28:08,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:08,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:28:09,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:09,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793522047] [2024-11-23 01:28:09,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793522047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:09,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:09,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 01:28:09,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641243096] [2024-11-23 01:28:09,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:09,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:28:09,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:09,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:28:09,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:28:09,018 INFO L87 Difference]: Start difference. First operand 1123 states and 1577 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:09,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:09,285 INFO L93 Difference]: Finished difference Result 2210 states and 3119 transitions. [2024-11-23 01:28:09,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:28:09,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-23 01:28:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:09,290 INFO L225 Difference]: With dead ends: 2210 [2024-11-23 01:28:09,290 INFO L226 Difference]: Without dead ends: 1129 [2024-11-23 01:28:09,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:28:09,292 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 4 mSDsluCounter, 2332 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2988 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:09,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2988 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 01:28:09,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-11-23 01:28:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2024-11-23 01:28:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1087 states have (on average 1.3974241030358785) internal successors, (1519), 1114 states have internal predecessors, (1519), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:28:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1583 transitions. [2024-11-23 01:28:09,327 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1583 transitions. Word has length 189 [2024-11-23 01:28:09,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:09,327 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1583 transitions. [2024-11-23 01:28:09,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1583 transitions. [2024-11-23 01:28:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 01:28:09,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:09,329 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:09,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 01:28:09,330 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:09,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1980402551, now seen corresponding path program 1 times [2024-11-23 01:28:09,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:09,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062134821] [2024-11-23 01:28:09,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:28:09,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:09,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062134821] [2024-11-23 01:28:09,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062134821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:09,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:09,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:28:09,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746254840] [2024-11-23 01:28:09,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:09,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:28:09,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:09,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:28:09,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:28:09,810 INFO L87 Difference]: Start difference. First operand 1129 states and 1583 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:10,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:10,126 INFO L93 Difference]: Finished difference Result 2216 states and 3123 transitions. [2024-11-23 01:28:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:28:10,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-23 01:28:10,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:10,132 INFO L225 Difference]: With dead ends: 2216 [2024-11-23 01:28:10,132 INFO L226 Difference]: Without dead ends: 1139 [2024-11-23 01:28:10,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:28:10,134 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 8 mSDsluCounter, 2914 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:10,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3560 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:28:10,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-11-23 01:28:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1137. [2024-11-23 01:28:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1095 states have (on average 1.3963470319634703) internal successors, (1529), 1122 states have internal predecessors, (1529), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:28:10,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1593 transitions. [2024-11-23 01:28:10,161 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1593 transitions. Word has length 190 [2024-11-23 01:28:10,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:10,162 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1593 transitions. [2024-11-23 01:28:10,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1593 transitions. [2024-11-23 01:28:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-23 01:28:10,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:10,164 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:10,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 01:28:10,164 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:10,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:10,165 INFO L85 PathProgramCache]: Analyzing trace with hash -146010771, now seen corresponding path program 1 times [2024-11-23 01:28:10,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:10,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358164494] [2024-11-23 01:28:10,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:10,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 01:28:11,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:11,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358164494] [2024-11-23 01:28:11,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358164494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144050798] [2024-11-23 01:28:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:11,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:11,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:11,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:11,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 01:28:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:12,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 01:28:12,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 01:28:12,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:12,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144050798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:12,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:28:12,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-23 01:28:12,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036730468] [2024-11-23 01:28:12,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:12,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:12,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:12,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:12,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:12,252 INFO L87 Difference]: Start difference. First operand 1137 states and 1593 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:12,301 INFO L93 Difference]: Finished difference Result 2181 states and 3078 transitions. [2024-11-23 01:28:12,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:12,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-23 01:28:12,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:12,308 INFO L225 Difference]: With dead ends: 2181 [2024-11-23 01:28:12,308 INFO L226 Difference]: Without dead ends: 1140 [2024-11-23 01:28:12,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:12,311 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 0 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:12,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1979 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:28:12,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-11-23 01:28:12,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1140. [2024-11-23 01:28:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1097 states have (on average 1.3965360072926163) internal successors, (1532), 1125 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1600 transitions. [2024-11-23 01:28:12,341 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1600 transitions. Word has length 190 [2024-11-23 01:28:12,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:12,342 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1600 transitions. [2024-11-23 01:28:12,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1600 transitions. [2024-11-23 01:28:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-23 01:28:12,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:12,344 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:12,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 01:28:12,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:12,545 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:12,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1665522281, now seen corresponding path program 1 times [2024-11-23 01:28:12,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:12,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118059797] [2024-11-23 01:28:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:12,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 01:28:13,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118059797] [2024-11-23 01:28:13,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118059797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52611640] [2024-11-23 01:28:13,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:13,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:13,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:13,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:13,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 01:28:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:14,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 01:28:14,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 01:28:14,549 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:28:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 01:28:14,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52611640] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:28:14,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:28:14,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-23 01:28:14,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399201688] [2024-11-23 01:28:14,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:28:14,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:28:14,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:28:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:28:14,637 INFO L87 Difference]: Start difference. First operand 1140 states and 1600 transitions. Second operand has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 01:28:14,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:14,778 INFO L93 Difference]: Finished difference Result 2195 states and 3108 transitions. [2024-11-23 01:28:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 01:28:14,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 194 [2024-11-23 01:28:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:14,784 INFO L225 Difference]: With dead ends: 2195 [2024-11-23 01:28:14,785 INFO L226 Difference]: Without dead ends: 1151 [2024-11-23 01:28:14,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-23 01:28:14,789 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 5 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:14,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2634 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:14,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-23 01:28:14,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1149. [2024-11-23 01:28:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1105 states have (on average 1.3990950226244343) internal successors, (1546), 1133 states have internal predecessors, (1546), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1614 transitions. [2024-11-23 01:28:14,823 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1614 transitions. Word has length 194 [2024-11-23 01:28:14,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:14,823 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1614 transitions. [2024-11-23 01:28:14,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 01:28:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1614 transitions. [2024-11-23 01:28:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-23 01:28:14,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:14,827 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:14,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 01:28:15,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-23 01:28:15,028 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:15,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:15,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1774602323, now seen corresponding path program 2 times [2024-11-23 01:28:15,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:15,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044136210] [2024-11-23 01:28:15,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:28:15,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:15,640 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:28:15,641 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:28:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-23 01:28:16,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044136210] [2024-11-23 01:28:16,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044136210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:16,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395261542] [2024-11-23 01:28:16,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:28:16,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:16,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:16,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:16,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 01:28:17,045 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:28:17,045 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:28:17,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-23 01:28:17,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 69 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 01:28:17,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:28:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 69 refuted. 2 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-23 01:28:25,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395261542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:28:25,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:28:25,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 20 [2024-11-23 01:28:25,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927928050] [2024-11-23 01:28:25,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:28:25,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 01:28:25,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:25,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 01:28:25,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=271, Unknown=2, NotChecked=0, Total=380 [2024-11-23 01:28:25,421 INFO L87 Difference]: Start difference. First operand 1149 states and 1614 transitions. Second operand has 20 states, 20 states have (on average 10.0) internal successors, (200), 20 states have internal predecessors, (200), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 01:28:26,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:26,266 INFO L93 Difference]: Finished difference Result 2221 states and 3156 transitions. [2024-11-23 01:28:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 01:28:26,266 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.0) internal successors, (200), 20 states have internal predecessors, (200), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 202 [2024-11-23 01:28:26,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:26,272 INFO L225 Difference]: With dead ends: 2221 [2024-11-23 01:28:26,272 INFO L226 Difference]: Without dead ends: 1162 [2024-11-23 01:28:26,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=255, Invalid=555, Unknown=2, NotChecked=0, Total=812 [2024-11-23 01:28:26,274 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 29 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 6460 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:26,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 6460 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 01:28:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-23 01:28:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1158. [2024-11-23 01:28:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1114 states have (on average 1.3976660682226212) internal successors, (1557), 1142 states have internal predecessors, (1557), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1625 transitions. [2024-11-23 01:28:26,304 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1625 transitions. Word has length 202 [2024-11-23 01:28:26,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:26,304 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1625 transitions. [2024-11-23 01:28:26,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.0) internal successors, (200), 20 states have internal predecessors, (200), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 01:28:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1625 transitions. [2024-11-23 01:28:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-23 01:28:26,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:26,307 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:26,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 01:28:26,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-23 01:28:26,508 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:26,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:26,509 INFO L85 PathProgramCache]: Analyzing trace with hash 414261437, now seen corresponding path program 3 times [2024-11-23 01:28:26,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:26,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111655725] [2024-11-23 01:28:26,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 01:28:26,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:26,630 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 01:28:26,630 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:28:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-23 01:28:26,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:26,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111655725] [2024-11-23 01:28:26,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111655725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:26,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:26,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:28:26,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863786514] [2024-11-23 01:28:26,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:26,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:28:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:26,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:28:26,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:28:26,929 INFO L87 Difference]: Start difference. First operand 1158 states and 1625 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:27,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:27,421 INFO L93 Difference]: Finished difference Result 2270 states and 3202 transitions. [2024-11-23 01:28:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:28:27,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 220 [2024-11-23 01:28:27,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:27,427 INFO L225 Difference]: With dead ends: 2270 [2024-11-23 01:28:27,427 INFO L226 Difference]: Without dead ends: 1168 [2024-11-23 01:28:27,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:28:27,430 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 9 mSDsluCounter, 2914 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:27,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3566 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 01:28:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-11-23 01:28:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1158. [2024-11-23 01:28:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1114 states have (on average 1.3976660682226212) internal successors, (1557), 1142 states have internal predecessors, (1557), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1625 transitions. [2024-11-23 01:28:27,463 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1625 transitions. Word has length 220 [2024-11-23 01:28:27,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:27,463 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1625 transitions. [2024-11-23 01:28:27,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:27,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1625 transitions. [2024-11-23 01:28:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-23 01:28:27,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:27,466 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:27,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 01:28:27,466 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:27,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:27,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1350390995, now seen corresponding path program 1 times [2024-11-23 01:28:27,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927978035] [2024-11-23 01:28:27,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:27,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-23 01:28:28,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:28,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927978035] [2024-11-23 01:28:28,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927978035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:28,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:28,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:28:28,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433177875] [2024-11-23 01:28:28,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:28,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:28:28,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:28,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:28:28,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:28:28,245 INFO L87 Difference]: Start difference. First operand 1158 states and 1625 transitions. Second operand has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:28,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:28,647 INFO L93 Difference]: Finished difference Result 2275 states and 3206 transitions. [2024-11-23 01:28:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 01:28:28,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 221 [2024-11-23 01:28:28,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:28,653 INFO L225 Difference]: With dead ends: 2275 [2024-11-23 01:28:28,653 INFO L226 Difference]: Without dead ends: 1178 [2024-11-23 01:28:28,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:28:28,657 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 16 mSDsluCounter, 3009 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3655 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:28,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3655 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 01:28:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-23 01:28:28,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1172. [2024-11-23 01:28:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1128 states have (on average 1.3962765957446808) internal successors, (1575), 1156 states have internal predecessors, (1575), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1643 transitions. [2024-11-23 01:28:28,688 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1643 transitions. Word has length 221 [2024-11-23 01:28:28,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:28,688 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1643 transitions. [2024-11-23 01:28:28,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1643 transitions. [2024-11-23 01:28:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-23 01:28:28,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:28,691 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:28,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 01:28:28,691 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:28,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:28,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1454596241, now seen corresponding path program 1 times [2024-11-23 01:28:28,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:28,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69903312] [2024-11-23 01:28:28,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:28,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 01:28:30,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:30,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69903312] [2024-11-23 01:28:30,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69903312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:30,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569470275] [2024-11-23 01:28:30,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:30,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:30,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:30,770 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:30,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 01:28:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:31,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 1495 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-23 01:28:31,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-23 01:28:31,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:31,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569470275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:31,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:28:31,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2024-11-23 01:28:31,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289089006] [2024-11-23 01:28:31,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:31,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:28:31,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:28:31,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-11-23 01:28:31,985 INFO L87 Difference]: Start difference. First operand 1172 states and 1643 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:32,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:32,347 INFO L93 Difference]: Finished difference Result 2286 states and 3221 transitions. [2024-11-23 01:28:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:28:32,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 221 [2024-11-23 01:28:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:32,355 INFO L225 Difference]: With dead ends: 2286 [2024-11-23 01:28:32,356 INFO L226 Difference]: Without dead ends: 1182 [2024-11-23 01:28:32,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-11-23 01:28:32,359 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 13 mSDsluCounter, 2931 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:32,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3574 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:28:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-23 01:28:32,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1176. [2024-11-23 01:28:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1132 states have (on average 1.3948763250883391) internal successors, (1579), 1160 states have internal predecessors, (1579), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1647 transitions. [2024-11-23 01:28:32,392 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1647 transitions. Word has length 221 [2024-11-23 01:28:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:32,393 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1647 transitions. [2024-11-23 01:28:32,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1647 transitions. [2024-11-23 01:28:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-23 01:28:32,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:32,396 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:32,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 01:28:32,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:32,600 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:32,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:32,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1705960659, now seen corresponding path program 1 times [2024-11-23 01:28:32,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:32,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377139729] [2024-11-23 01:28:32,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:32,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-23 01:28:33,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:33,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377139729] [2024-11-23 01:28:33,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377139729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:33,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:33,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:28:33,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306787411] [2024-11-23 01:28:33,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:33,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:28:33,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:33,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:28:33,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:28:33,535 INFO L87 Difference]: Start difference. First operand 1176 states and 1647 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:34,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:34,159 INFO L93 Difference]: Finished difference Result 2305 states and 3245 transitions. [2024-11-23 01:28:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 01:28:34,160 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 222 [2024-11-23 01:28:34,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:34,165 INFO L225 Difference]: With dead ends: 2305 [2024-11-23 01:28:34,166 INFO L226 Difference]: Without dead ends: 1194 [2024-11-23 01:28:34,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-23 01:28:34,169 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 19 mSDsluCounter, 4157 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:34,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4810 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 01:28:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2024-11-23 01:28:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1182. [2024-11-23 01:28:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1138 states have (on average 1.3927943760984183) internal successors, (1585), 1166 states have internal predecessors, (1585), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1653 transitions. [2024-11-23 01:28:34,213 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1653 transitions. Word has length 222 [2024-11-23 01:28:34,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:34,214 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1653 transitions. [2024-11-23 01:28:34,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:28:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1653 transitions. [2024-11-23 01:28:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-23 01:28:34,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:34,216 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:34,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 01:28:34,217 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:34,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:34,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1533748241, now seen corresponding path program 1 times [2024-11-23 01:28:34,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:34,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562923286] [2024-11-23 01:28:34,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:34,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 01:28:35,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:35,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562923286] [2024-11-23 01:28:35,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562923286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:35,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725149473] [2024-11-23 01:28:35,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:35,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:35,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:35,785 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:35,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 01:28:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:37,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 01:28:37,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-23 01:28:37,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:37,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725149473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:37,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:28:37,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 21 [2024-11-23 01:28:37,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319173214] [2024-11-23 01:28:37,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:37,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:28:37,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:37,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:28:37,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:28:37,673 INFO L87 Difference]: Start difference. First operand 1182 states and 1653 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 9 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:38,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:38,107 INFO L93 Difference]: Finished difference Result 2182 states and 3083 transitions. [2024-11-23 01:28:38,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 01:28:38,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 9 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 222 [2024-11-23 01:28:38,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:38,114 INFO L225 Difference]: With dead ends: 2182 [2024-11-23 01:28:38,115 INFO L226 Difference]: Without dead ends: 1204 [2024-11-23 01:28:38,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:28:38,117 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 25 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:38,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 4201 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 01:28:38,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-23 01:28:38,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1196. [2024-11-23 01:28:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1152 states have (on average 1.3897569444444444) internal successors, (1601), 1180 states have internal predecessors, (1601), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1669 transitions. [2024-11-23 01:28:38,148 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1669 transitions. Word has length 222 [2024-11-23 01:28:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:38,148 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1669 transitions. [2024-11-23 01:28:38,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 9 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1669 transitions. [2024-11-23 01:28:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-23 01:28:38,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:38,151 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:38,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 01:28:38,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:38,352 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:38,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:38,353 INFO L85 PathProgramCache]: Analyzing trace with hash 959107039, now seen corresponding path program 1 times [2024-11-23 01:28:38,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:38,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287143372] [2024-11-23 01:28:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:38,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-23 01:28:39,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287143372] [2024-11-23 01:28:39,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287143372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:39,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:39,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:28:39,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409341997] [2024-11-23 01:28:39,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:39,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:28:39,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:39,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:28:39,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:28:39,342 INFO L87 Difference]: Start difference. First operand 1196 states and 1669 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:39,755 INFO L93 Difference]: Finished difference Result 2180 states and 3070 transitions. [2024-11-23 01:28:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:28:39,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 223 [2024-11-23 01:28:39,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:39,761 INFO L225 Difference]: With dead ends: 2180 [2024-11-23 01:28:39,761 INFO L226 Difference]: Without dead ends: 1196 [2024-11-23 01:28:39,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:28:39,763 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 21 mSDsluCounter, 2313 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:39,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2969 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 01:28:39,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-23 01:28:39,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1190. [2024-11-23 01:28:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 1146 states have (on average 1.388307155322862) internal successors, (1591), 1174 states have internal predecessors, (1591), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1659 transitions. [2024-11-23 01:28:39,788 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1659 transitions. Word has length 223 [2024-11-23 01:28:39,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:39,788 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1659 transitions. [2024-11-23 01:28:39,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1659 transitions. [2024-11-23 01:28:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-23 01:28:39,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:39,791 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:39,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 01:28:39,791 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:39,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1063399210, now seen corresponding path program 1 times [2024-11-23 01:28:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:39,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682291721] [2024-11-23 01:28:39,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-23 01:28:40,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:40,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682291721] [2024-11-23 01:28:40,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682291721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:40,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:40,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:28:40,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088997788] [2024-11-23 01:28:40,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:40,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:28:40,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:28:40,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:28:40,579 INFO L87 Difference]: Start difference. First operand 1190 states and 1659 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:40,913 INFO L93 Difference]: Finished difference Result 2179 states and 3067 transitions. [2024-11-23 01:28:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:28:40,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 224 [2024-11-23 01:28:40,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:40,919 INFO L225 Difference]: With dead ends: 2179 [2024-11-23 01:28:40,920 INFO L226 Difference]: Without dead ends: 1200 [2024-11-23 01:28:40,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:28:40,922 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 16 mSDsluCounter, 2329 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2988 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:40,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2988 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:28:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-23 01:28:40,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1196. [2024-11-23 01:28:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1152 states have (on average 1.3862847222222223) internal successors, (1597), 1180 states have internal predecessors, (1597), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1665 transitions. [2024-11-23 01:28:40,951 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1665 transitions. Word has length 224 [2024-11-23 01:28:40,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:40,951 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1665 transitions. [2024-11-23 01:28:40,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:28:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1665 transitions. [2024-11-23 01:28:40,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-23 01:28:40,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:40,956 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:40,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 01:28:40,956 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:40,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:40,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1780400234, now seen corresponding path program 1 times [2024-11-23 01:28:40,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:40,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373608820] [2024-11-23 01:28:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:40,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 01:28:42,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:42,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373608820] [2024-11-23 01:28:42,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373608820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:42,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013748049] [2024-11-23 01:28:42,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:42,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:42,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:42,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:42,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 01:28:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:44,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-23 01:28:44,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 267 proven. 55 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-23 01:28:44,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:28:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 5 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-23 01:28:45,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013748049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:28:45,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:28:45,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2024-11-23 01:28:45,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574549375] [2024-11-23 01:28:45,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:28:45,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-23 01:28:45,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:45,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-23 01:28:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=977, Unknown=0, NotChecked=0, Total=1332 [2024-11-23 01:28:45,066 INFO L87 Difference]: Start difference. First operand 1196 states and 1665 transitions. Second operand has 37 states, 37 states have (on average 5.972972972972973) internal successors, (221), 37 states have internal predecessors, (221), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 01:28:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:48,835 INFO L93 Difference]: Finished difference Result 2310 states and 3253 transitions. [2024-11-23 01:28:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-23 01:28:48,836 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.972972972972973) internal successors, (221), 37 states have internal predecessors, (221), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 225 [2024-11-23 01:28:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:48,841 INFO L225 Difference]: With dead ends: 2310 [2024-11-23 01:28:48,842 INFO L226 Difference]: Without dead ends: 1218 [2024-11-23 01:28:48,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1071, Invalid=2469, Unknown=0, NotChecked=0, Total=3540 [2024-11-23 01:28:48,845 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 14 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 8561 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:48,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 8561 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 01:28:48,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-11-23 01:28:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1214. [2024-11-23 01:28:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1170 states have (on average 1.3854700854700854) internal successors, (1621), 1198 states have internal predecessors, (1621), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-23 01:28:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1689 transitions. [2024-11-23 01:28:48,874 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1689 transitions. Word has length 225 [2024-11-23 01:28:48,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:48,875 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1689 transitions. [2024-11-23 01:28:48,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.972972972972973) internal successors, (221), 37 states have internal predecessors, (221), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 01:28:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1689 transitions. [2024-11-23 01:28:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-23 01:28:48,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:48,877 INFO L215 NwaCegarLoop]: trace histogram [66, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:48,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 01:28:49,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-23 01:28:49,078 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-23 01:28:49,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:49,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1969054890, now seen corresponding path program 2 times [2024-11-23 01:28:49,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:49,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705212699] [2024-11-23 01:28:49,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:28:49,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:49,754 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:28:49,754 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:28:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 5 proven. 1340 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2024-11-23 01:28:51,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:51,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705212699] [2024-11-23 01:28:51,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705212699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:51,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69457167] [2024-11-23 01:28:51,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:28:51,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:51,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:51,764 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:51,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 01:28:54,365 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:28:54,365 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:28:54,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-23 01:28:54,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 1376 proven. 396 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-23 01:28:54,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:28:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 283 proven. 490 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2024-11-23 01:28:55,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69457167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:28:55,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:28:55,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 15, 15] total 51 [2024-11-23 01:28:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307496456] [2024-11-23 01:28:55,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:28:55,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-23 01:28:55,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:55,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-23 01:28:55,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2193, Unknown=0, NotChecked=0, Total=2550 [2024-11-23 01:28:55,451 INFO L87 Difference]: Start difference. First operand 1214 states and 1689 transitions. Second operand has 51 states, 51 states have (on average 4.666666666666667) internal successors, (238), 51 states have internal predecessors, (238), 2 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)