./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_test5-3.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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:21:23,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:21:23,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:21:23,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:21:23,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:21:23,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:21:23,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:21:23,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:21:23,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:21:23,349 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:21:23,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:21:23,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:21:23,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:21:23,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:21:23,351 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:21:23,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:21:23,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:21:23,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:21:23,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:21:23,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:21:23,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:21:23,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:21:23,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:21:23,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:21:23,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:21:23,358 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:21:23,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:21:23,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:21:23,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:21:23,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:21:23,359 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:21:23,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:21:23,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:21:23,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:21:23,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:21:23,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:21:23,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:21:23,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:21:23,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:21:23,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:21:23,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:21:23,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:21:23,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:21:23,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:21:23,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2024-11-17 07:21:23,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:21:23,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:21:23,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:21:23,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:21:23,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:21:23,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2024-11-17 07:21:25,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:21:25,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:21:25,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2024-11-17 07:21:25,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe9de6f33/9e063573869a4faca91defaddd2ffb8d/FLAGd50de59cd [2024-11-17 07:21:25,670 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe9de6f33/9e063573869a4faca91defaddd2ffb8d [2024-11-17 07:21:25,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:21:25,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:21:25,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:21:25,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:21:25,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:21:25,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:21:25" (1/1) ... [2024-11-17 07:21:25,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d1716a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:25, skipping insertion in model container [2024-11-17 07:21:25,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:21:25" (1/1) ... [2024-11-17 07:21:25,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:21:26,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:21:26,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:21:26,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:21:26,565 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:21:26,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26 WrapperNode [2024-11-17 07:21:26,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:21:26,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:21:26,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:21:26,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:21:26,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,739 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2306 [2024-11-17 07:21:26,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:21:26,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:21:26,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:21:26,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:21:26,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,910 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 417, 24]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 98, 1]. [2024-11-17 07:21:26,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:26,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:27,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:21:27,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:21:27,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:21:27,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:21:27,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (1/1) ... [2024-11-17 07:21:27,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:21:27,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:27,049 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) [2024-11-17 07:21:27,052 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 [2024-11-17 07:21:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:21:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:21:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:21:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:21:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:21:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:21:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:21:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:21:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:21:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:21:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:21:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:21:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:21:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:21:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:21:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:21:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:21:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:21:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:21:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:21:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:21:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:21:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:21:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:21:27,441 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:21:27,443 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:21:29,327 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2024-11-17 07:21:29,484 INFO L? ?]: Removed 534 outVars from TransFormulas that were not future-live. [2024-11-17 07:21:29,485 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:21:29,561 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:21:29,564 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 07:21:29,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:21:29 BoogieIcfgContainer [2024-11-17 07:21:29,565 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:21:29,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:21:29,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:21:29,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:21:29,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:21:25" (1/3) ... [2024-11-17 07:21:29,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc2aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:21:29, skipping insertion in model container [2024-11-17 07:21:29,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:21:26" (2/3) ... [2024-11-17 07:21:29,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc2aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:21:29, skipping insertion in model container [2024-11-17 07:21:29,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:21:29" (3/3) ... [2024-11-17 07:21:29,576 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-3.i [2024-11-17 07:21:29,592 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:21:29,593 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 07:21:29,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:21:29,698 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;@14b4121d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:21:29,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 07:21:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 637 states have (on average 1.6185243328100472) internal successors, (1031), 654 states have internal predecessors, (1031), 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) [2024-11-17 07:21:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:21:29,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:29,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:21:29,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:29,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:29,717 INFO L85 PathProgramCache]: Analyzing trace with hash -490933168, now seen corresponding path program 1 times [2024-11-17 07:21:29,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:29,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104732527] [2024-11-17 07:21:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:29,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:21:29,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:29,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104732527] [2024-11-17 07:21:29,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104732527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:29,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:29,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:21:29,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961320422] [2024-11-17 07:21:29,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:29,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:21:29,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:29,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:21:29,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:21:29,919 INFO L87 Difference]: Start difference. First operand has 664 states, 637 states have (on average 1.6185243328100472) internal successors, (1031), 654 states have internal predecessors, (1031), 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 3.5) internal successors, (7), 2 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) [2024-11-17 07:21:30,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:30,142 INFO L93 Difference]: Finished difference Result 1322 states and 2116 transitions. [2024-11-17 07:21:30,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:21:30,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2024-11-17 07:21:30,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:30,161 INFO L225 Difference]: With dead ends: 1322 [2024-11-17 07:21:30,162 INFO L226 Difference]: Without dead ends: 591 [2024-11-17 07:21:30,170 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 [2024-11-17 07:21:30,175 INFO L432 NwaCegarLoop]: 878 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:30,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 878 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:21:30,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-17 07:21:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2024-11-17 07:21:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 570 states have (on average 1.4526315789473685) internal successors, (828), 582 states have internal predecessors, (828), 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) [2024-11-17 07:21:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 850 transitions. [2024-11-17 07:21:30,263 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 850 transitions. Word has length 7 [2024-11-17 07:21:30,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:30,264 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 850 transitions. [2024-11-17 07:21:30,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-11-17 07:21:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 850 transitions. [2024-11-17 07:21:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:21:30,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:30,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:21:30,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:21:30,266 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:30,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:30,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1960971868, now seen corresponding path program 1 times [2024-11-17 07:21:30,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:30,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857014359] [2024-11-17 07:21:30,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:30,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:21:30,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994823678] [2024-11-17 07:21:30,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:30,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:30,301 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) [2024-11-17 07:21:30,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:21:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:30,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 07:21:30,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:21:30,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:21:30,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:30,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857014359] [2024-11-17 07:21:30,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:21:30,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994823678] [2024-11-17 07:21:30,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994823678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:30,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:30,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:21:30,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270765341] [2024-11-17 07:21:30,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:30,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:21:30,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:30,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:21:30,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:21:30,527 INFO L87 Difference]: Start difference. First operand 591 states and 850 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-17 07:21:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:30,775 INFO L93 Difference]: Finished difference Result 1350 states and 1956 transitions. [2024-11-17 07:21:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:21:30,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-11-17 07:21:30,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:30,781 INFO L225 Difference]: With dead ends: 1350 [2024-11-17 07:21:30,781 INFO L226 Difference]: Without dead ends: 1162 [2024-11-17 07:21:30,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:21:30,783 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 801 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:30,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 1632 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:21:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-17 07:21:30,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 773. [2024-11-17 07:21:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 747 states have (on average 1.4551539491298529) internal successors, (1087), 764 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) [2024-11-17 07:21:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1119 transitions. [2024-11-17 07:21:30,820 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1119 transitions. Word has length 8 [2024-11-17 07:21:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:30,821 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1119 transitions. [2024-11-17 07:21:30,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-17 07:21:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1119 transitions. [2024-11-17 07:21:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:21:30,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:30,827 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, 1, 1, 1, 1] [2024-11-17 07:21:30,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 07:21:31,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:31,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:31,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash 949111840, now seen corresponding path program 1 times [2024-11-17 07:21:31,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:31,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094121924] [2024-11-17 07:21:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:31,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:21:31,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:31,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094121924] [2024-11-17 07:21:31,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094121924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:31,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:31,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:21:31,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189883620] [2024-11-17 07:21:31,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:31,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:21:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:31,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:21:31,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:21:31,673 INFO L87 Difference]: Start difference. First operand 773 states and 1119 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2024-11-17 07:21:31,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:31,898 INFO L93 Difference]: Finished difference Result 1558 states and 2260 transitions. [2024-11-17 07:21:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:21:31,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:21:31,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:31,905 INFO L225 Difference]: With dead ends: 1558 [2024-11-17 07:21:31,906 INFO L226 Difference]: Without dead ends: 793 [2024-11-17 07:21:31,907 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 [2024-11-17 07:21:31,909 INFO L432 NwaCegarLoop]: 767 mSDtfsCounter, 8 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:31,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1519 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:21:31,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-17 07:21:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2024-11-17 07:21:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 767 states have (on average 1.4432855280312908) internal successors, (1107), 784 states have internal predecessors, (1107), 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) [2024-11-17 07:21:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1139 transitions. [2024-11-17 07:21:31,935 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1139 transitions. Word has length 155 [2024-11-17 07:21:31,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:31,935 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1139 transitions. [2024-11-17 07:21:31,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2024-11-17 07:21:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1139 transitions. [2024-11-17 07:21:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:21:31,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:31,939 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, 1, 1, 1, 1] [2024-11-17 07:21:31,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:21:31,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:31,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:31,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1407316159, now seen corresponding path program 1 times [2024-11-17 07:21:31,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:31,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788903560] [2024-11-17 07:21:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:31,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:21:32,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:32,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788903560] [2024-11-17 07:21:32,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788903560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:32,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:32,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:21:32,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639115997] [2024-11-17 07:21:32,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:32,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:21:32,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:32,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:21:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:21:32,278 INFO L87 Difference]: Start difference. First operand 793 states and 1139 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2024-11-17 07:21:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:32,486 INFO L93 Difference]: Finished difference Result 1564 states and 2256 transitions. [2024-11-17 07:21:32,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:21:32,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-17 07:21:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:32,490 INFO L225 Difference]: With dead ends: 1564 [2024-11-17 07:21:32,490 INFO L226 Difference]: Without dead ends: 779 [2024-11-17 07:21:32,492 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 [2024-11-17 07:21:32,493 INFO L432 NwaCegarLoop]: 759 mSDtfsCounter, 105 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:32,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 2192 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:21:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-17 07:21:32,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2024-11-17 07:21:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 753 states have (on average 1.4422310756972112) internal successors, (1086), 770 states have internal predecessors, (1086), 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) [2024-11-17 07:21:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1118 transitions. [2024-11-17 07:21:32,510 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1118 transitions. Word has length 155 [2024-11-17 07:21:32,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:32,510 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1118 transitions. [2024-11-17 07:21:32,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2024-11-17 07:21:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1118 transitions. [2024-11-17 07:21:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:21:32,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:32,513 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, 1, 1, 1, 1] [2024-11-17 07:21:32,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:21:32,513 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:32,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:32,514 INFO L85 PathProgramCache]: Analyzing trace with hash -532640870, now seen corresponding path program 1 times [2024-11-17 07:21:32,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:32,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298672472] [2024-11-17 07:21:32,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:32,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:21:32,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:32,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298672472] [2024-11-17 07:21:32,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298672472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:32,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:32,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:21:32,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383906397] [2024-11-17 07:21:32,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:32,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:21:32,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:32,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:21:32,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:21:32,760 INFO L87 Difference]: Start difference. First operand 779 states and 1118 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2024-11-17 07:21:32,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:32,950 INFO L93 Difference]: Finished difference Result 1685 states and 2423 transitions. [2024-11-17 07:21:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:21:32,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:21:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:32,955 INFO L225 Difference]: With dead ends: 1685 [2024-11-17 07:21:32,955 INFO L226 Difference]: Without dead ends: 914 [2024-11-17 07:21:32,956 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 [2024-11-17 07:21:32,957 INFO L432 NwaCegarLoop]: 779 mSDtfsCounter, 134 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:32,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1551 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:21:32,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-17 07:21:32,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2024-11-17 07:21:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 888 states have (on average 1.4414414414414414) internal successors, (1280), 905 states have internal predecessors, (1280), 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) [2024-11-17 07:21:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1312 transitions. [2024-11-17 07:21:32,980 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1312 transitions. Word has length 155 [2024-11-17 07:21:32,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:32,980 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1312 transitions. [2024-11-17 07:21:32,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2024-11-17 07:21:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1312 transitions. [2024-11-17 07:21:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:21:32,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:32,982 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, 1, 1, 1, 1] [2024-11-17 07:21:32,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:21:32,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:32,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:32,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1290055872, now seen corresponding path program 1 times [2024-11-17 07:21:32,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:32,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569539160] [2024-11-17 07:21:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:33,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:21:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:33,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:21:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:21:33,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:33,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569539160] [2024-11-17 07:21:33,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569539160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:33,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:33,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:21:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045325822] [2024-11-17 07:21:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:33,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:21:33,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:21:33,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:21:33,360 INFO L87 Difference]: Start difference. First operand 914 states and 1312 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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) [2024-11-17 07:21:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:33,925 INFO L93 Difference]: Finished difference Result 1646 states and 2365 transitions. [2024-11-17 07:21:33,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:21:33,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-17 07:21:33,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:33,932 INFO L225 Difference]: With dead ends: 1646 [2024-11-17 07:21:33,932 INFO L226 Difference]: Without dead ends: 875 [2024-11-17 07:21:33,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:21:33,935 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 36 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:33,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2593 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:21:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-17 07:21:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 872. [2024-11-17 07:21:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 846 states have (on average 1.4219858156028369) internal successors, (1203), 863 states have internal predecessors, (1203), 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) [2024-11-17 07:21:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1235 transitions. [2024-11-17 07:21:33,956 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1235 transitions. Word has length 170 [2024-11-17 07:21:33,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:33,957 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1235 transitions. [2024-11-17 07:21:33,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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) [2024-11-17 07:21:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1235 transitions. [2024-11-17 07:21:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:21:33,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:33,959 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, 1, 1, 1, 1] [2024-11-17 07:21:33,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:21:33,959 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:33,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:33,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2078792250, now seen corresponding path program 1 times [2024-11-17 07:21:33,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:33,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991761434] [2024-11-17 07:21:33,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:21:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:21:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:21:34,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:34,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991761434] [2024-11-17 07:21:34,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991761434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:34,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:34,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:21:34,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055365494] [2024-11-17 07:21:34,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:34,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:21:34,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:21:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:21:34,281 INFO L87 Difference]: Start difference. First operand 872 states and 1235 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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) [2024-11-17 07:21:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:34,900 INFO L93 Difference]: Finished difference Result 1933 states and 2750 transitions. [2024-11-17 07:21:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:21:34,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 170 [2024-11-17 07:21:34,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:34,907 INFO L225 Difference]: With dead ends: 1933 [2024-11-17 07:21:34,907 INFO L226 Difference]: Without dead ends: 1204 [2024-11-17 07:21:34,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:21:34,911 INFO L432 NwaCegarLoop]: 882 mSDtfsCounter, 475 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:34,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 2338 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:21:34,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-17 07:21:34,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1196. [2024-11-17 07:21:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1157 states have (on average 1.421780466724287) internal successors, (1645), 1184 states have internal predecessors, (1645), 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) [2024-11-17 07:21:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1703 transitions. [2024-11-17 07:21:34,952 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1703 transitions. Word has length 170 [2024-11-17 07:21:34,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:34,954 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1703 transitions. [2024-11-17 07:21:34,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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) [2024-11-17 07:21:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1703 transitions. [2024-11-17 07:21:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-17 07:21:34,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:34,957 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, 1, 1, 1, 1] [2024-11-17 07:21:34,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:21:34,957 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:34,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1583144158, now seen corresponding path program 1 times [2024-11-17 07:21:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497936745] [2024-11-17 07:21:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:35,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:21:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:35,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:21:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:35,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:21:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:35,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:21:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:21:35,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:35,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497936745] [2024-11-17 07:21:35,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497936745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:35,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:35,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:21:35,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034872038] [2024-11-17 07:21:35,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:35,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:21:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:35,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:21:35,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:21:35,408 INFO L87 Difference]: Start difference. First operand 1196 states and 1703 transitions. Second operand has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2024-11-17 07:21:36,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:36,166 INFO L93 Difference]: Finished difference Result 1271 states and 1808 transitions. [2024-11-17 07:21:36,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:21:36,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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 185 [2024-11-17 07:21:36,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:36,172 INFO L225 Difference]: With dead ends: 1271 [2024-11-17 07:21:36,172 INFO L226 Difference]: Without dead ends: 1269 [2024-11-17 07:21:36,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:21:36,173 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 557 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:36,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2725 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:21:36,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-11-17 07:21:36,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1261. [2024-11-17 07:21:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1219 states have (on average 1.4142739950779328) internal successors, (1724), 1246 states have internal predecessors, (1724), 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) [2024-11-17 07:21:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1788 transitions. [2024-11-17 07:21:36,202 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1788 transitions. Word has length 185 [2024-11-17 07:21:36,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:36,202 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1788 transitions. [2024-11-17 07:21:36,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2024-11-17 07:21:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1788 transitions. [2024-11-17 07:21:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 07:21:36,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:36,205 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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] [2024-11-17 07:21:36,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:21:36,205 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:36,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:36,206 INFO L85 PathProgramCache]: Analyzing trace with hash 644667576, now seen corresponding path program 1 times [2024-11-17 07:21:36,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:36,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589682066] [2024-11-17 07:21:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:36,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:21:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:37,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:21:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:37,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:21:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:37,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:21:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:21:37,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:37,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589682066] [2024-11-17 07:21:37,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589682066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:21:37,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897829759] [2024-11-17 07:21:37,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:37,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:37,243 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) [2024-11-17 07:21:37,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:21:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:37,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 07:21:37,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:38,025 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 [2024-11-17 07:21:38,048 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 27 treesize of output 11 [2024-11-17 07:21:38,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 07:21:38,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-17 07:21:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:21:38,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:21:38,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897829759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:38,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:21:38,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:21:38,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609106987] [2024-11-17 07:21:38,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:38,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:21:38,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:38,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:21:38,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:21:38,903 INFO L87 Difference]: Start difference. First operand 1261 states and 1788 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 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) [2024-11-17 07:21:40,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:40,945 INFO L93 Difference]: Finished difference Result 2468 states and 3493 transitions. [2024-11-17 07:21:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:21:40,948 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 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 193 [2024-11-17 07:21:40,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:40,954 INFO L225 Difference]: With dead ends: 2468 [2024-11-17 07:21:40,955 INFO L226 Difference]: Without dead ends: 1303 [2024-11-17 07:21:40,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:21:40,958 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 980 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 4119 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:40,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 4119 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 07:21:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-11-17 07:21:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1294. [2024-11-17 07:21:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1252 states have (on average 1.4073482428115016) internal successors, (1762), 1279 states have internal predecessors, (1762), 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) [2024-11-17 07:21:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1826 transitions. [2024-11-17 07:21:40,991 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1826 transitions. Word has length 193 [2024-11-17 07:21:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:40,992 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1826 transitions. [2024-11-17 07:21:40,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 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) [2024-11-17 07:21:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1826 transitions. [2024-11-17 07:21:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-17 07:21:40,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:40,994 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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] [2024-11-17 07:21:41,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 07:21:41,198 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,SelfDestructingSolverStorable8 [2024-11-17 07:21:41,199 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:41,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:41,200 INFO L85 PathProgramCache]: Analyzing trace with hash 977306652, now seen corresponding path program 1 times [2024-11-17 07:21:41,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:41,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696818108] [2024-11-17 07:21:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:41,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:42,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:21:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:21:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 07:21:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:21:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:42,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:21:42,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:42,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696818108] [2024-11-17 07:21:42,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696818108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:21:42,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489309581] [2024-11-17 07:21:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:42,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:42,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:42,303 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) [2024-11-17 07:21:42,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:21:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:42,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:21:42,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:21:43,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:21:43,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489309581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:43,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:21:43,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 07:21:43,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104340155] [2024-11-17 07:21:43,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:43,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:21:43,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:43,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:21:43,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:21:43,039 INFO L87 Difference]: Start difference. First operand 1294 states and 1826 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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) [2024-11-17 07:21:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:43,364 INFO L93 Difference]: Finished difference Result 2510 states and 3550 transitions. [2024-11-17 07:21:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:21:43,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 194 [2024-11-17 07:21:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:43,370 INFO L225 Difference]: With dead ends: 2510 [2024-11-17 07:21:43,370 INFO L226 Difference]: Without dead ends: 1345 [2024-11-17 07:21:43,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:21:43,373 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 17 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:43,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1928 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:21:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-11-17 07:21:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1329. [2024-11-17 07:21:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1287 states have (on average 1.400932400932401) internal successors, (1803), 1314 states have internal predecessors, (1803), 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) [2024-11-17 07:21:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1867 transitions. [2024-11-17 07:21:43,407 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1867 transitions. Word has length 194 [2024-11-17 07:21:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:43,408 INFO L471 AbstractCegarLoop]: Abstraction has 1329 states and 1867 transitions. [2024-11-17 07:21:43,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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) [2024-11-17 07:21:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1867 transitions. [2024-11-17 07:21:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 07:21:43,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:43,410 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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] [2024-11-17 07:21:43,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 07:21:43,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:43,615 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:43,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:43,616 INFO L85 PathProgramCache]: Analyzing trace with hash 833492795, now seen corresponding path program 1 times [2024-11-17 07:21:43,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:43,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158161678] [2024-11-17 07:21:43,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:43,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:21:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:44,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:21:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:44,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-17 07:21:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:44,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 07:21:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:21:44,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:44,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158161678] [2024-11-17 07:21:44,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158161678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:44,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:44,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:21:44,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730131178] [2024-11-17 07:21:44,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:44,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:21:44,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:21:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:21:44,191 INFO L87 Difference]: Start difference. First operand 1329 states and 1867 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-11-17 07:21:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:45,202 INFO L93 Difference]: Finished difference Result 2540 states and 3592 transitions. [2024-11-17 07:21:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:21:45,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 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 195 [2024-11-17 07:21:45,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:45,209 INFO L225 Difference]: With dead ends: 2540 [2024-11-17 07:21:45,209 INFO L226 Difference]: Without dead ends: 1344 [2024-11-17 07:21:45,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:21:45,212 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 14 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:45,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3558 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:21:45,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-17 07:21:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1337. [2024-11-17 07:21:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1295 states have (on average 1.4) internal successors, (1813), 1322 states have internal predecessors, (1813), 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) [2024-11-17 07:21:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1877 transitions. [2024-11-17 07:21:45,263 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1877 transitions. Word has length 195 [2024-11-17 07:21:45,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:45,264 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1877 transitions. [2024-11-17 07:21:45,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 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) [2024-11-17 07:21:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1877 transitions. [2024-11-17 07:21:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-17 07:21:45,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:45,267 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 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] [2024-11-17 07:21:45,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 07:21:45,268 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:45,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:45,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1232557389, now seen corresponding path program 1 times [2024-11-17 07:21:45,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:45,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050495430] [2024-11-17 07:21:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:21:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 07:21:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:21:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:21:46,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:46,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050495430] [2024-11-17 07:21:46,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050495430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:21:46,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664177868] [2024-11-17 07:21:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:46,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:46,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:46,071 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) [2024-11-17 07:21:46,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 07:21:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:46,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:21:46,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 07:21:46,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:21:46,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664177868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:46,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:21:46,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-17 07:21:46,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666326639] [2024-11-17 07:21:46,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:46,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:21:46,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:46,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:21:46,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:21:46,867 INFO L87 Difference]: Start difference. First operand 1337 states and 1877 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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) [2024-11-17 07:21:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:47,031 INFO L93 Difference]: Finished difference Result 2493 states and 3519 transitions. [2024-11-17 07:21:47,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:21:47,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 196 [2024-11-17 07:21:47,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:47,038 INFO L225 Difference]: With dead ends: 2493 [2024-11-17 07:21:47,038 INFO L226 Difference]: Without dead ends: 1340 [2024-11-17 07:21:47,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:21:47,041 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:47,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2099 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:21:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-11-17 07:21:47,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-11-17 07:21:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1297 states have (on average 1.400154202004626) internal successors, (1816), 1325 states have internal predecessors, (1816), 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) [2024-11-17 07:21:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1884 transitions. [2024-11-17 07:21:47,072 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1884 transitions. Word has length 196 [2024-11-17 07:21:47,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:47,073 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1884 transitions. [2024-11-17 07:21:47,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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) [2024-11-17 07:21:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1884 transitions. [2024-11-17 07:21:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-17 07:21:47,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:47,076 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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] [2024-11-17 07:21:47,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:21:47,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:47,277 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:47,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -40913779, now seen corresponding path program 1 times [2024-11-17 07:21:47,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:47,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851288915] [2024-11-17 07:21:47,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:47,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:48,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:21:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:21:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:48,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-17 07:21:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:21:48,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:48,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851288915] [2024-11-17 07:21:48,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851288915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:21:48,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600932895] [2024-11-17 07:21:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:48,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:48,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:48,181 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) [2024-11-17 07:21:48,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 07:21:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:48,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 07:21:48,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 07:21:49,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:21:49,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600932895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:49,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:21:49,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-17 07:21:49,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734828339] [2024-11-17 07:21:49,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:49,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:21:49,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:49,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:21:49,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:21:49,103 INFO L87 Difference]: Start difference. First operand 1340 states and 1884 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 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) [2024-11-17 07:21:49,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:49,540 INFO L93 Difference]: Finished difference Result 2408 states and 3409 transitions. [2024-11-17 07:21:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:21:49,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 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 200 [2024-11-17 07:21:49,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:49,547 INFO L225 Difference]: With dead ends: 2408 [2024-11-17 07:21:49,547 INFO L226 Difference]: Without dead ends: 1350 [2024-11-17 07:21:49,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:21:49,549 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 12 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:49,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3221 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:21:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-17 07:21:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2024-11-17 07:21:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1305 states have (on average 1.3977011494252873) internal successors, (1824), 1333 states have internal predecessors, (1824), 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) [2024-11-17 07:21:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1892 transitions. [2024-11-17 07:21:49,578 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1892 transitions. Word has length 200 [2024-11-17 07:21:49,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:49,579 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1892 transitions. [2024-11-17 07:21:49,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 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) [2024-11-17 07:21:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1892 transitions. [2024-11-17 07:21:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 07:21:49,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:49,581 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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] [2024-11-17 07:21:49,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 07:21:49,782 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,SelfDestructingSolverStorable12 [2024-11-17 07:21:49,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:49,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash -98886718, now seen corresponding path program 1 times [2024-11-17 07:21:49,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:49,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132423662] [2024-11-17 07:21:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:50,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:50,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:21:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:50,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 07:21:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:50,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 07:21:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 07:21:50,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:50,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132423662] [2024-11-17 07:21:50,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132423662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:50,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:50,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:21:50,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170689667] [2024-11-17 07:21:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:50,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:21:50,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:50,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:21:50,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:21:50,324 INFO L87 Difference]: Start difference. First operand 1348 states and 1892 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 7 states have internal predecessors, (181), 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) [2024-11-17 07:21:51,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:51,204 INFO L93 Difference]: Finished difference Result 2410 states and 3405 transitions. [2024-11-17 07:21:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:21:51,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 7 states have internal predecessors, (181), 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 201 [2024-11-17 07:21:51,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:51,211 INFO L225 Difference]: With dead ends: 2410 [2024-11-17 07:21:51,211 INFO L226 Difference]: Without dead ends: 1358 [2024-11-17 07:21:51,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:21:51,213 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 20 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 4370 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:51,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 4370 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:21:51,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2024-11-17 07:21:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1356. [2024-11-17 07:21:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1313 states have (on average 1.396801218583397) internal successors, (1834), 1341 states have internal predecessors, (1834), 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) [2024-11-17 07:21:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1902 transitions. [2024-11-17 07:21:51,255 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1902 transitions. Word has length 201 [2024-11-17 07:21:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:51,256 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1902 transitions. [2024-11-17 07:21:51,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 7 states have internal predecessors, (181), 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) [2024-11-17 07:21:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1902 transitions. [2024-11-17 07:21:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-17 07:21:51,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:51,259 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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, 1] [2024-11-17 07:21:51,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 07:21:51,259 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:51,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:51,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1672676822, now seen corresponding path program 1 times [2024-11-17 07:21:51,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:51,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647078207] [2024-11-17 07:21:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:51,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:21:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:21:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:51,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 07:21:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 07:21:51,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:51,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647078207] [2024-11-17 07:21:51,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647078207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:51,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:51,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:21:51,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860521960] [2024-11-17 07:21:51,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:51,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:21:51,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:51,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:21:51,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:21:51,782 INFO L87 Difference]: Start difference. First operand 1356 states and 1902 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 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) [2024-11-17 07:21:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:52,389 INFO L93 Difference]: Finished difference Result 2425 states and 3425 transitions. [2024-11-17 07:21:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:21:52,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 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 202 [2024-11-17 07:21:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:52,396 INFO L225 Difference]: With dead ends: 2425 [2024-11-17 07:21:52,396 INFO L226 Difference]: Without dead ends: 1362 [2024-11-17 07:21:52,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:21:52,399 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 14 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:52,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3168 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:21:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-17 07:21:52,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2024-11-17 07:21:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1319 states have (on average 1.3949962092494315) internal successors, (1840), 1347 states have internal predecessors, (1840), 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) [2024-11-17 07:21:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1908 transitions. [2024-11-17 07:21:52,429 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1908 transitions. Word has length 202 [2024-11-17 07:21:52,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:52,430 INFO L471 AbstractCegarLoop]: Abstraction has 1362 states and 1908 transitions. [2024-11-17 07:21:52,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 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) [2024-11-17 07:21:52,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1908 transitions. [2024-11-17 07:21:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-17 07:21:52,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:52,432 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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, 1] [2024-11-17 07:21:52,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 07:21:52,432 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:52,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:52,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1263780422, now seen corresponding path program 1 times [2024-11-17 07:21:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:52,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985626269] [2024-11-17 07:21:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:53,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:21:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:21:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:53,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 07:21:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 07:21:53,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:53,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985626269] [2024-11-17 07:21:53,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985626269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:53,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:21:53,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:21:53,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021471004] [2024-11-17 07:21:53,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:53,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:21:53,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:53,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:21:53,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:21:53,167 INFO L87 Difference]: Start difference. First operand 1362 states and 1908 transitions. Second operand has 10 states, 10 states have (on average 18.2) internal successors, (182), 9 states have internal predecessors, (182), 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) [2024-11-17 07:21:54,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:54,071 INFO L93 Difference]: Finished difference Result 2448 states and 3453 transitions. [2024-11-17 07:21:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:21:54,072 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.2) internal successors, (182), 9 states have internal predecessors, (182), 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 202 [2024-11-17 07:21:54,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:54,077 INFO L225 Difference]: With dead ends: 2448 [2024-11-17 07:21:54,078 INFO L226 Difference]: Without dead ends: 1384 [2024-11-17 07:21:54,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:21:54,081 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 39 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 5702 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:54,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 5702 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:21:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2024-11-17 07:21:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1378. [2024-11-17 07:21:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1335 states have (on average 1.3932584269662922) internal successors, (1860), 1363 states have internal predecessors, (1860), 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) [2024-11-17 07:21:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1928 transitions. [2024-11-17 07:21:54,112 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1928 transitions. Word has length 202 [2024-11-17 07:21:54,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:54,113 INFO L471 AbstractCegarLoop]: Abstraction has 1378 states and 1928 transitions. [2024-11-17 07:21:54,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.2) internal successors, (182), 9 states have internal predecessors, (182), 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) [2024-11-17 07:21:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1928 transitions. [2024-11-17 07:21:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-17 07:21:54,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:54,114 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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, 1, 1] [2024-11-17 07:21:54,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 07:21:54,115 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash -717386366, now seen corresponding path program 1 times [2024-11-17 07:21:54,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:54,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620506322] [2024-11-17 07:21:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:54,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:55,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:21:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:21:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 07:21:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:21:55,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:55,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620506322] [2024-11-17 07:21:55,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620506322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:21:55,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029469062] [2024-11-17 07:21:55,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:55,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:55,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:55,163 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) [2024-11-17 07:21:55,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:21:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:55,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:21:55,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 07:21:56,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:21:56,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029469062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:21:56,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:21:56,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-17 07:21:56,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038841217] [2024-11-17 07:21:56,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:21:56,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:21:56,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:21:56,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:21:56,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:21:56,116 INFO L87 Difference]: Start difference. First operand 1378 states and 1928 transitions. Second operand has 7 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 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) [2024-11-17 07:21:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:21:56,606 INFO L93 Difference]: Finished difference Result 2455 states and 3459 transitions. [2024-11-17 07:21:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:21:56,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 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 203 [2024-11-17 07:21:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:21:56,613 INFO L225 Difference]: With dead ends: 2455 [2024-11-17 07:21:56,614 INFO L226 Difference]: Without dead ends: 1388 [2024-11-17 07:21:56,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:21:56,616 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 12 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3840 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:21:56,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3840 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:21:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-11-17 07:21:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1378. [2024-11-17 07:21:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1335 states have (on average 1.3932584269662922) internal successors, (1860), 1363 states have internal predecessors, (1860), 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) [2024-11-17 07:21:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1928 transitions. [2024-11-17 07:21:56,647 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1928 transitions. Word has length 203 [2024-11-17 07:21:56,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:21:56,648 INFO L471 AbstractCegarLoop]: Abstraction has 1378 states and 1928 transitions. [2024-11-17 07:21:56,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 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) [2024-11-17 07:21:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1928 transitions. [2024-11-17 07:21:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-17 07:21:56,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:21:56,650 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 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, 1, 1] [2024-11-17 07:21:56,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:21:56,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:21:56,851 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:21:56,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:21:56,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1213313139, now seen corresponding path program 1 times [2024-11-17 07:21:56,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:21:56,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979022497] [2024-11-17 07:21:56,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:56,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:21:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:57,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:21:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:21:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:58,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:21:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 07:21:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:21:58,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:21:58,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979022497] [2024-11-17 07:21:58,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979022497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:21:58,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388024272] [2024-11-17 07:21:58,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:21:58,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:21:58,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:21:58,014 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) [2024-11-17 07:21:58,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:21:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:21:58,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 186 conjuncts are in the unsatisfiable core [2024-11-17 07:21:59,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:21:59,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-17 07:21:59,041 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 [2024-11-17 07:21:59,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 07:21:59,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-17 07:21:59,472 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-17 07:21:59,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-17 07:21:59,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-17 07:21:59,485 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 [2024-11-17 07:21:59,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-17 07:21:59,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-17 07:21:59,678 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-17 07:21:59,678 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-17 07:21:59,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11