./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.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_SAX_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:27:23,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:27:23,751 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:27:23,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:27:23,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:27:23,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:27:23,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:27:23,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:27:23,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:27:23,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:27:23,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:27:23,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:27:23,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:27:23,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:27:23,790 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:27:23,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:27:23,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:27:23,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:27:23,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:27:23,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:27:23,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:27:23,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:27:23,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:27:23,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:27:23,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:27:23,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:27:23,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:27:23,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:27:23,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:27:23,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:27:23,797 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:27:23,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:27:23,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:27:23,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:27:23,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:27:23,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:27:23,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:27:23,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:27:23,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:27:23,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:27:23,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:27:23,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:27:23,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:27:23,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:27:23,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2024-11-17 07:27:24,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:27:24,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:27:24,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:27:24,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:27:24,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:27:24,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2024-11-17 07:27:25,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:27:25,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:27:25,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2024-11-17 07:27:25,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86218dc51/7e1f10f032aa41f3b4d18cdb77ae241f/FLAGe02b7192e [2024-11-17 07:27:25,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86218dc51/7e1f10f032aa41f3b4d18cdb77ae241f [2024-11-17 07:27:25,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:27:25,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:27:25,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:27:25,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:27:26,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:27:26,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:27:25" (1/1) ... [2024-11-17 07:27:26,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498c8af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26, skipping insertion in model container [2024-11-17 07:27:26,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:27:25" (1/1) ... [2024-11-17 07:27:26,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:27:26,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:27:26,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:27:26,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:27:26,945 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:27:26,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26 WrapperNode [2024-11-17 07:27:26,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:27:26,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:27:26,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:27:26,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:27:26,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:26,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,052 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1452 [2024-11-17 07:27:27,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:27:27,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:27:27,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:27:27,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:27:27,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,188 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 34, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 4, 49]. [2024-11-17 07:27:27,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:27:27,261 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:27:27,262 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:27:27,262 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:27:27,263 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (1/1) ... [2024-11-17 07:27:27,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:27:27,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:27,297 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 07:27:27,299 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 07:27:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:27:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:27:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:27:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:27:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:27:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:27:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 07:27:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:27:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-17 07:27:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-17 07:27:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:27:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:27:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:27:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 07:27:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:27:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:27:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:27:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:27:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:27:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 07:27:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:27:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-17 07:27:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-17 07:27:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:27:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:27:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:27:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 07:27:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:27:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:27:27,604 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:27:27,607 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:27:27,664 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2024-11-17 07:27:28,802 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2024-11-17 07:27:28,802 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2024-11-17 07:27:28,803 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 07:27:28,892 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-17 07:27:28,892 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:27:28,952 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:27:28,952 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:27:28,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:27:28 BoogieIcfgContainer [2024-11-17 07:27:28,953 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:27:28,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:27:28,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:27:28,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:27:28,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:27:25" (1/3) ... [2024-11-17 07:27:28,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d4526a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:27:28, skipping insertion in model container [2024-11-17 07:27:28,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:26" (2/3) ... [2024-11-17 07:27:28,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d4526a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:27:28, skipping insertion in model container [2024-11-17 07:27:28,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:27:28" (3/3) ... [2024-11-17 07:27:28,965 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i [2024-11-17 07:27:28,980 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:27:28,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-17 07:27:29,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:27:29,058 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;@67c61dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:27:29,061 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-17 07:27:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 475 states, 437 states have (on average 1.5926773455377574) internal successors, (696), 455 states have internal predecessors, (696), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 07:27:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:27:29,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:29,073 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:29,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:29,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:29,079 INFO L85 PathProgramCache]: Analyzing trace with hash -93056644, now seen corresponding path program 1 times [2024-11-17 07:27:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:29,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778632018] [2024-11-17 07:27:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,279 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 07:27:29,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:29,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778632018] [2024-11-17 07:27:29,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778632018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:29,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:29,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:27:29,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731416841] [2024-11-17 07:27:29,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:29,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:27:29,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:27:29,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:27:29,323 INFO L87 Difference]: Start difference. First operand has 475 states, 437 states have (on average 1.5926773455377574) internal successors, (696), 455 states have internal predecessors, (696), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 07:27:29,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:29,474 INFO L93 Difference]: Finished difference Result 943 states and 1467 transitions. [2024-11-17 07:27:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:27:29,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 07:27:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:29,488 INFO L225 Difference]: With dead ends: 943 [2024-11-17 07:27:29,488 INFO L226 Difference]: Without dead ends: 455 [2024-11-17 07:27:29,494 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 07:27:29,497 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:29,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:29,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-17 07:27:29,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-17 07:27:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 427 states have (on average 1.4355971896955504) internal successors, (613), 441 states have internal predecessors, (613), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 07:27:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 633 transitions. [2024-11-17 07:27:29,558 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 633 transitions. Word has length 8 [2024-11-17 07:27:29,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:29,558 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 633 transitions. [2024-11-17 07:27:29,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 07:27:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 633 transitions. [2024-11-17 07:27:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:27:29,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:29,559 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:29,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:27:29,559 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:29,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:29,560 INFO L85 PathProgramCache]: Analyzing trace with hash -93055683, now seen corresponding path program 1 times [2024-11-17 07:27:29,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:29,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301537471] [2024-11-17 07:27:29,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:27:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481863016] [2024-11-17 07:27:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:29,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:29,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:29,612 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 07:27:29,614 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 07:27:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:29,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:27:29,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:29,850 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 07:27:29,883 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 07:27:29,884 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:29,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:29,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301537471] [2024-11-17 07:27:29,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:27:29,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481863016] [2024-11-17 07:27:29,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481863016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:29,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:29,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:29,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955321845] [2024-11-17 07:27:29,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:29,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:29,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:29,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:29,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:29,890 INFO L87 Difference]: Start difference. First operand 455 states and 633 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 07:27:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:30,206 INFO L93 Difference]: Finished difference Result 873 states and 1230 transitions. [2024-11-17 07:27:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:30,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 07:27:30,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:30,211 INFO L225 Difference]: With dead ends: 873 [2024-11-17 07:27:30,211 INFO L226 Difference]: Without dead ends: 871 [2024-11-17 07:27:30,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 07:27:30,213 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 572 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:30,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1786 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:27:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-17 07:27:30,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 462. [2024-11-17 07:27:30,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 434 states have (on average 1.4308755760368663) internal successors, (621), 448 states have internal predecessors, (621), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 07:27:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 641 transitions. [2024-11-17 07:27:30,239 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 641 transitions. Word has length 8 [2024-11-17 07:27:30,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:30,239 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 641 transitions. [2024-11-17 07:27:30,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 07:27:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 641 transitions. [2024-11-17 07:27:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:27:30,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:30,243 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] [2024-11-17 07:27:30,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:30,443 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 07:27:30,444 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:30,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:30,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2087381474, now seen corresponding path program 1 times [2024-11-17 07:27:30,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:30,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742843659] [2024-11-17 07:27:30,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:30,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,853 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 07:27:30,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:30,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742843659] [2024-11-17 07:27:30,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742843659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:30,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:30,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:30,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122889989] [2024-11-17 07:27:30,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:30,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:30,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:30,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:30,860 INFO L87 Difference]: Start difference. First operand 462 states and 641 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:31,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:31,030 INFO L93 Difference]: Finished difference Result 873 states and 1206 transitions. [2024-11-17 07:27:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:27:31,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-17 07:27:31,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:31,034 INFO L225 Difference]: With dead ends: 873 [2024-11-17 07:27:31,034 INFO L226 Difference]: Without dead ends: 420 [2024-11-17 07:27:31,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:31,036 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 30 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:31,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1474 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-17 07:27:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-17 07:27:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 392 states have (on average 1.3877551020408163) internal successors, (544), 406 states have internal predecessors, (544), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 07:27:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 564 transitions. [2024-11-17 07:27:31,053 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 564 transitions. Word has length 67 [2024-11-17 07:27:31,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:31,053 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 564 transitions. [2024-11-17 07:27:31,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2024-11-17 07:27:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:27:31,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:31,060 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] [2024-11-17 07:27:31,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:27:31,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:31,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:31,061 INFO L85 PathProgramCache]: Analyzing trace with hash 175971177, now seen corresponding path program 1 times [2024-11-17 07:27:31,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:31,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185823842] [2024-11-17 07:27:31,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,312 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 07:27:31,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:31,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185823842] [2024-11-17 07:27:31,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185823842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:31,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:31,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:27:31,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059978484] [2024-11-17 07:27:31,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:31,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:31,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:31,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:31,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:31,315 INFO L87 Difference]: Start difference. First operand 420 states and 564 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:31,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:31,467 INFO L93 Difference]: Finished difference Result 758 states and 1028 transitions. [2024-11-17 07:27:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:31,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-17 07:27:31,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:31,474 INFO L225 Difference]: With dead ends: 758 [2024-11-17 07:27:31,474 INFO L226 Difference]: Without dead ends: 754 [2024-11-17 07:27:31,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 07:27:31,476 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 388 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:31,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1524 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:31,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-17 07:27:31,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 744. [2024-11-17 07:27:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 713 states have (on average 1.3969144460028051) internal successors, (996), 728 states have internal predecessors, (996), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:27:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1022 transitions. [2024-11-17 07:27:31,502 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1022 transitions. Word has length 67 [2024-11-17 07:27:31,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:31,503 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1022 transitions. [2024-11-17 07:27:31,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1022 transitions. [2024-11-17 07:27:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 07:27:31,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:31,508 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] [2024-11-17 07:27:31,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:27:31,509 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:31,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1142837239, now seen corresponding path program 1 times [2024-11-17 07:27:31,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:31,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228039787] [2024-11-17 07:27:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:31,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,735 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 07:27:31,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:31,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228039787] [2024-11-17 07:27:31,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228039787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:31,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:31,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:31,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964958242] [2024-11-17 07:27:31,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:31,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:31,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:31,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:31,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:31,738 INFO L87 Difference]: Start difference. First operand 744 states and 1022 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 07:27:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:31,953 INFO L93 Difference]: Finished difference Result 1738 states and 2433 transitions. [2024-11-17 07:27:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:31,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 72 [2024-11-17 07:27:31,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:31,959 INFO L225 Difference]: With dead ends: 1738 [2024-11-17 07:27:31,960 INFO L226 Difference]: Without dead ends: 1329 [2024-11-17 07:27:31,961 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 07:27:31,964 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 490 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:31,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1500 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-17 07:27:32,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 744. [2024-11-17 07:27:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 713 states have (on average 1.3955119214586256) internal successors, (995), 728 states have internal predecessors, (995), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:27:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1021 transitions. [2024-11-17 07:27:32,028 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1021 transitions. Word has length 72 [2024-11-17 07:27:32,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:32,029 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1021 transitions. [2024-11-17 07:27:32,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 07:27:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1021 transitions. [2024-11-17 07:27:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 07:27:32,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:32,030 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] [2024-11-17 07:27:32,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:27:32,031 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:32,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1115226759, now seen corresponding path program 1 times [2024-11-17 07:27:32,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:32,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196738907] [2024-11-17 07:27:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,271 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 07:27:32,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:32,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196738907] [2024-11-17 07:27:32,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196738907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:32,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:32,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:32,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283264984] [2024-11-17 07:27:32,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:32,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:32,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:32,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:32,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:32,274 INFO L87 Difference]: Start difference. First operand 744 states and 1021 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:27:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:32,511 INFO L93 Difference]: Finished difference Result 981 states and 1342 transitions. [2024-11-17 07:27:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:27:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2024-11-17 07:27:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:32,517 INFO L225 Difference]: With dead ends: 981 [2024-11-17 07:27:32,517 INFO L226 Difference]: Without dead ends: 979 [2024-11-17 07:27:32,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:32,518 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 451 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:32,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1454 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:32,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-17 07:27:32,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 968. [2024-11-17 07:27:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 929 states have (on average 1.402583423035522) internal successors, (1303), 945 states have internal predecessors, (1303), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 07:27:32,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1339 transitions. [2024-11-17 07:27:32,549 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1339 transitions. Word has length 78 [2024-11-17 07:27:32,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:32,549 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1339 transitions. [2024-11-17 07:27:32,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:27:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1339 transitions. [2024-11-17 07:27:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:27:32,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:32,551 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] [2024-11-17 07:27:32,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:27:32,551 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:32,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:32,552 INFO L85 PathProgramCache]: Analyzing trace with hash 332659283, now seen corresponding path program 1 times [2024-11-17 07:27:32,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:32,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289169373] [2024-11-17 07:27:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:32,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,677 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 07:27:32,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:32,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289169373] [2024-11-17 07:27:32,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289169373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:32,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:32,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:32,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077876294] [2024-11-17 07:27:32,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:32,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:32,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:32,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:32,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:32,684 INFO L87 Difference]: Start difference. First operand 968 states and 1339 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 07:27:32,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:32,886 INFO L93 Difference]: Finished difference Result 1657 states and 2283 transitions. [2024-11-17 07:27:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:32,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2024-11-17 07:27:32,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:32,890 INFO L225 Difference]: With dead ends: 1657 [2024-11-17 07:27:32,890 INFO L226 Difference]: Without dead ends: 698 [2024-11-17 07:27:32,891 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 07:27:32,892 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 300 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:32,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1176 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:32,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-17 07:27:32,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 693. [2024-11-17 07:27:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 660 states have (on average 1.3954545454545455) internal successors, (921), 675 states have internal predecessors, (921), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:27:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 947 transitions. [2024-11-17 07:27:32,910 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 947 transitions. Word has length 84 [2024-11-17 07:27:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:32,910 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 947 transitions. [2024-11-17 07:27:32,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 07:27:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 947 transitions. [2024-11-17 07:27:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 07:27:32,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:32,912 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 07:27:32,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:27:32,912 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:32,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1983943417, now seen corresponding path program 1 times [2024-11-17 07:27:32,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:32,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96838362] [2024-11-17 07:27:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:33,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:33,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:33,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96838362] [2024-11-17 07:27:33,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96838362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:33,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152870891] [2024-11-17 07:27:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:33,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:33,300 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 07:27:33,302 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 07:27:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:33,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 07:27:33,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:33,678 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:33,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152870891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:33,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:33,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-17 07:27:33,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112407746] [2024-11-17 07:27:33,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:33,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:27:33,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:33,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:27:33,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:33,680 INFO L87 Difference]: Start difference. First operand 693 states and 947 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:27:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:33,834 INFO L93 Difference]: Finished difference Result 1193 states and 1651 transitions. [2024-11-17 07:27:33,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:27:33,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 88 [2024-11-17 07:27:33,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:33,839 INFO L225 Difference]: With dead ends: 1193 [2024-11-17 07:27:33,840 INFO L226 Difference]: Without dead ends: 1192 [2024-11-17 07:27:33,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:27:33,841 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 515 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:33,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1442 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:33,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-11-17 07:27:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 818. [2024-11-17 07:27:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 783 states have (on average 1.3869731800766283) internal successors, (1086), 799 states have internal predecessors, (1086), 15 states have call successors, (15), 8 states have call predecessors, (15), 6 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:27:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1116 transitions. [2024-11-17 07:27:33,868 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1116 transitions. Word has length 88 [2024-11-17 07:27:33,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:33,868 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1116 transitions. [2024-11-17 07:27:33,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:27:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1116 transitions. [2024-11-17 07:27:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 07:27:33,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:33,870 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 07:27:33,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:34,070 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,SelfDestructingSolverStorable7 [2024-11-17 07:27:34,071 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:34,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:34,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1372703804, now seen corresponding path program 1 times [2024-11-17 07:27:34,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:34,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595999121] [2024-11-17 07:27:34,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:34,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:34,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:34,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595999121] [2024-11-17 07:27:34,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595999121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:34,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659055789] [2024-11-17 07:27:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:34,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:34,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:34,451 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 07:27:34,453 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 07:27:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:27:34,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:34,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:27:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:35,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659055789] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:27:35,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:27:35,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-17 07:27:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155165386] [2024-11-17 07:27:35,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:27:35,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 07:27:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:35,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 07:27:35,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:27:35,236 INFO L87 Difference]: Start difference. First operand 818 states and 1116 transitions. Second operand has 19 states, 18 states have (on average 13.333333333333334) internal successors, (240), 15 states have internal predecessors, (240), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 07:27:37,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:37,733 INFO L93 Difference]: Finished difference Result 3320 states and 4619 transitions. [2024-11-17 07:27:37,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 07:27:37,734 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 13.333333333333334) internal successors, (240), 15 states have internal predecessors, (240), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 89 [2024-11-17 07:27:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:37,752 INFO L225 Difference]: With dead ends: 3320 [2024-11-17 07:27:37,752 INFO L226 Difference]: Without dead ends: 3318 [2024-11-17 07:27:37,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=565, Invalid=1415, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 07:27:37,756 INFO L432 NwaCegarLoop]: 863 mSDtfsCounter, 3766 mSDsluCounter, 10617 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3776 SdHoareTripleChecker+Valid, 11480 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:37,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3776 Valid, 11480 Invalid, 1935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 07:27:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2024-11-17 07:27:37,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 2495. [2024-11-17 07:27:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2414 states have (on average 1.3860811930405965) internal successors, (3346), 2432 states have internal predecessors, (3346), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-17 07:27:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3468 transitions. [2024-11-17 07:27:37,845 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3468 transitions. Word has length 89 [2024-11-17 07:27:37,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:37,846 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3468 transitions. [2024-11-17 07:27:37,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 13.333333333333334) internal successors, (240), 15 states have internal predecessors, (240), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 07:27:37,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3468 transitions. [2024-11-17 07:27:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:27:37,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:37,847 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-17 07:27:37,866 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 07:27:38,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:38,049 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:38,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:38,049 INFO L85 PathProgramCache]: Analyzing trace with hash -204343991, now seen corresponding path program 1 times [2024-11-17 07:27:38,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:38,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295469865] [2024-11-17 07:27:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:27:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:27:38,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:38,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295469865] [2024-11-17 07:27:38,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295469865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:38,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933178589] [2024-11-17 07:27:38,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:38,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:38,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:38,422 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 07:27:38,423 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 07:27:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:27:38,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:38,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:27:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:27:39,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933178589] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:39,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 07:27:39,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-17 07:27:39,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114339552] [2024-11-17 07:27:39,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:39,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:27:39,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:39,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:27:39,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:27:39,068 INFO L87 Difference]: Start difference. First operand 2495 states and 3468 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:27:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:39,191 INFO L93 Difference]: Finished difference Result 2495 states and 3468 transitions. [2024-11-17 07:27:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:39,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 99 [2024-11-17 07:27:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:39,200 INFO L225 Difference]: With dead ends: 2495 [2024-11-17 07:27:39,201 INFO L226 Difference]: Without dead ends: 2494 [2024-11-17 07:27:39,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:27:39,202 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 1513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:39,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 512 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-17 07:27:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2494. [2024-11-17 07:27:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 2414 states have (on average 1.384009942004971) internal successors, (3341), 2431 states have internal predecessors, (3341), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-17 07:27:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3463 transitions. [2024-11-17 07:27:39,285 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3463 transitions. Word has length 99 [2024-11-17 07:27:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:39,286 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 3463 transitions. [2024-11-17 07:27:39,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:27:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3463 transitions. [2024-11-17 07:27:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 07:27:39,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:39,287 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-11-17 07:27:39,306 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 07:27:39,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:39,488 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:39,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2039696425, now seen corresponding path program 1 times [2024-11-17 07:27:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:39,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790699109] [2024-11-17 07:27:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:27:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:27:39,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:39,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790699109] [2024-11-17 07:27:39,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790699109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:39,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886672051] [2024-11-17 07:27:39,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:39,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:39,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:39,842 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 07:27:39,843 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 07:27:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:27:40,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:40,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:27:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:27:40,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886672051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:27:40,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:27:40,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-17 07:27:40,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652547211] [2024-11-17 07:27:40,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:27:40,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:27:40,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:40,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:27:40,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:27:40,517 INFO L87 Difference]: Start difference. First operand 2494 states and 3463 transitions. Second operand has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 12 states have internal predecessors, (250), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 07:27:41,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:41,532 INFO L93 Difference]: Finished difference Result 4947 states and 6873 transitions. [2024-11-17 07:27:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 07:27:41,533 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 12 states have internal predecessors, (250), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 100 [2024-11-17 07:27:41,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:41,551 INFO L225 Difference]: With dead ends: 4947 [2024-11-17 07:27:41,551 INFO L226 Difference]: Without dead ends: 4946 [2024-11-17 07:27:41,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-11-17 07:27:41,555 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2694 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2703 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:41,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2703 Valid, 4139 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:41,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2024-11-17 07:27:41,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4556. [2024-11-17 07:27:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4556 states, 4400 states have (on average 1.3829545454545455) internal successors, (6085), 4420 states have internal predecessors, (6085), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137) [2024-11-17 07:27:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 6321 transitions. [2024-11-17 07:27:41,747 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 6321 transitions. Word has length 100 [2024-11-17 07:27:41,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:41,747 INFO L471 AbstractCegarLoop]: Abstraction has 4556 states and 6321 transitions. [2024-11-17 07:27:41,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 12 states have internal predecessors, (250), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 07:27:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 6321 transitions. [2024-11-17 07:27:41,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 07:27:41,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:41,750 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:41,768 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 07:27:41,950 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,SelfDestructingSolverStorable10 [2024-11-17 07:27:41,951 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:41,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:41,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1177020072, now seen corresponding path program 1 times [2024-11-17 07:27:41,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:41,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260525651] [2024-11-17 07:27:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:27:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:27:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 07:27:42,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:42,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260525651] [2024-11-17 07:27:42,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260525651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:42,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:42,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:27:42,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100616732] [2024-11-17 07:27:42,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:42,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:27:42,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:42,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:27:42,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:27:42,397 INFO L87 Difference]: Start difference. First operand 4556 states and 6321 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (4), 2 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 07:27:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:43,124 INFO L93 Difference]: Finished difference Result 6129 states and 8567 transitions. [2024-11-17 07:27:43,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:43,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (4), 2 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 127 [2024-11-17 07:27:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:43,144 INFO L225 Difference]: With dead ends: 6129 [2024-11-17 07:27:43,145 INFO L226 Difference]: Without dead ends: 6127 [2024-11-17 07:27:43,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:43,147 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 449 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:43,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 2163 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6127 states. [2024-11-17 07:27:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6127 to 4726. [2024-11-17 07:27:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4726 states, 4561 states have (on average 1.3779872834904625) internal successors, (6285), 4582 states have internal predecessors, (6285), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149) [2024-11-17 07:27:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4726 states to 4726 states and 6542 transitions. [2024-11-17 07:27:43,290 INFO L78 Accepts]: Start accepts. Automaton has 4726 states and 6542 transitions. Word has length 127 [2024-11-17 07:27:43,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:43,291 INFO L471 AbstractCegarLoop]: Abstraction has 4726 states and 6542 transitions. [2024-11-17 07:27:43,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (4), 2 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 07:27:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states and 6542 transitions. [2024-11-17 07:27:43,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-17 07:27:43,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:43,293 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:43,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 07:27:43,293 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:43,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:43,294 INFO L85 PathProgramCache]: Analyzing trace with hash -834084925, now seen corresponding path program 1 times [2024-11-17 07:27:43,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:43,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195383922] [2024-11-17 07:27:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:27:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:27:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:27:43,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:43,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195383922] [2024-11-17 07:27:43,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195383922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:43,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449732246] [2024-11-17 07:27:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:43,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:43,717 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 07:27:43,719 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 07:27:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:27:44,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:27:44,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:44,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449732246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:44,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:44,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-17 07:27:44,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091827528] [2024-11-17 07:27:44,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:44,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:44,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:44,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:44,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:44,216 INFO L87 Difference]: Start difference. First operand 4726 states and 6542 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:44,534 INFO L93 Difference]: Finished difference Result 8901 states and 12375 transitions. [2024-11-17 07:27:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:27:44,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 135 [2024-11-17 07:27:44,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:44,552 INFO L225 Difference]: With dead ends: 8901 [2024-11-17 07:27:44,552 INFO L226 Difference]: Without dead ends: 4509 [2024-11-17 07:27:44,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:27:44,560 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 90 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:44,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 2864 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:44,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2024-11-17 07:27:44,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 4509. [2024-11-17 07:27:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 4361 states have (on average 1.3831689979362531) internal successors, (6032), 4380 states have internal predecessors, (6032), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-17 07:27:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6261 transitions. [2024-11-17 07:27:44,741 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6261 transitions. Word has length 135 [2024-11-17 07:27:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:44,742 INFO L471 AbstractCegarLoop]: Abstraction has 4509 states and 6261 transitions. [2024-11-17 07:27:44,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6261 transitions. [2024-11-17 07:27:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 07:27:44,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:44,744 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:44,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:44,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:44,944 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:44,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1842438886, now seen corresponding path program 1 times [2024-11-17 07:27:44,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:44,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387859761] [2024-11-17 07:27:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:44,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:27:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 07:27:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:45,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 07:27:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:45,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:27:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:27:45,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:45,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387859761] [2024-11-17 07:27:45,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387859761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:45,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770063969] [2024-11-17 07:27:45,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:45,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:45,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:45,575 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 07:27:45,577 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 07:27:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:27:46,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:46,033 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 07:27:46,057 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 07:27:46,081 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 23 treesize of output 22 [2024-11-17 07:27:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 07:27:46,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:46,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770063969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:46,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:46,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-17 07:27:46,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163767399] [2024-11-17 07:27:46,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:46,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:27:46,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:46,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:27:46,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:27:46,787 INFO L87 Difference]: Start difference. First operand 4509 states and 6261 transitions. Second operand has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:27:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:48,242 INFO L93 Difference]: Finished difference Result 10383 states and 14494 transitions. [2024-11-17 07:27:48,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:27:48,243 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-11-17 07:27:48,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:48,261 INFO L225 Difference]: With dead ends: 10383 [2024-11-17 07:27:48,262 INFO L226 Difference]: Without dead ends: 5923 [2024-11-17 07:27:48,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:27:48,270 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 614 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 3410 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:48,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 3410 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 07:27:48,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2024-11-17 07:27:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 4509. [2024-11-17 07:27:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 4361 states have (on average 1.382939692731025) internal successors, (6031), 4380 states have internal predecessors, (6031), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-17 07:27:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6260 transitions. [2024-11-17 07:27:48,406 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6260 transitions. Word has length 140 [2024-11-17 07:27:48,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:48,407 INFO L471 AbstractCegarLoop]: Abstraction has 4509 states and 6260 transitions. [2024-11-17 07:27:48,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:27:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6260 transitions. [2024-11-17 07:27:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-17 07:27:48,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:48,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:48,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 07:27:48,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:48,614 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:48,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:48,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1169330390, now seen corresponding path program 1 times [2024-11-17 07:27:48,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:48,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511353012] [2024-11-17 07:27:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:48,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:27:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:27:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 07:27:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:27:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:27:48,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:48,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511353012] [2024-11-17 07:27:48,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511353012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:48,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186180112] [2024-11-17 07:27:48,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:48,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:48,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:49,000 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:49,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:27:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:49,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:27:49,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:49,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:49,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186180112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:49,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:49,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-17 07:27:49,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147297455] [2024-11-17 07:27:49,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:49,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:27:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:49,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:27:49,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:27:49,763 INFO L87 Difference]: Start difference. First operand 4509 states and 6260 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 07:27:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:50,032 INFO L93 Difference]: Finished difference Result 7232 states and 10038 transitions. [2024-11-17 07:27:50,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:27:50,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 141 [2024-11-17 07:27:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:50,041 INFO L225 Difference]: With dead ends: 7232 [2024-11-17 07:27:50,042 INFO L226 Difference]: Without dead ends: 2813 [2024-11-17 07:27:50,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:27:50,050 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 14 mSDsluCounter, 3515 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:50,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4022 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2024-11-17 07:27:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2811. [2024-11-17 07:27:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2709 states have (on average 1.3820598006644518) internal successors, (3744), 2725 states have internal predecessors, (3744), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-17 07:27:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3863 transitions. [2024-11-17 07:27:50,131 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3863 transitions. Word has length 141 [2024-11-17 07:27:50,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:50,131 INFO L471 AbstractCegarLoop]: Abstraction has 2811 states and 3863 transitions. [2024-11-17 07:27:50,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 07:27:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3863 transitions. [2024-11-17 07:27:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-17 07:27:50,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:50,133 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:50,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 07:27:50,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 07:27:50,338 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:50,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:50,338 INFO L85 PathProgramCache]: Analyzing trace with hash 30990664, now seen corresponding path program 1 times [2024-11-17 07:27:50,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:50,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962884842] [2024-11-17 07:27:50,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:27:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:27:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:51,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-17 07:27:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:27:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 07:27:51,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:51,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962884842] [2024-11-17 07:27:51,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962884842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:51,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469842881] [2024-11-17 07:27:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:51,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:51,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:51,026 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:51,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 07:27:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:51,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:27:51,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:27:51,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:27:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 07:27:51,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469842881] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:27:51,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:27:51,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-17 07:27:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781976752] [2024-11-17 07:27:51,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:27:51,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:27:51,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:51,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:27:51,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:27:51,958 INFO L87 Difference]: Start difference. First operand 2811 states and 3863 transitions. Second operand has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 16 states have internal predecessors, (166), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:27:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:53,367 INFO L93 Difference]: Finished difference Result 5598 states and 7721 transitions. [2024-11-17 07:27:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 07:27:53,367 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 16 states have internal predecessors, (166), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 143 [2024-11-17 07:27:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:53,375 INFO L225 Difference]: With dead ends: 5598 [2024-11-17 07:27:53,375 INFO L226 Difference]: Without dead ends: 2886 [2024-11-17 07:27:53,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:27:53,381 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 98 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 5582 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:53,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 5582 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:27:53,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-17 07:27:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2854. [2024-11-17 07:27:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2751 states have (on average 1.3820428934932751) internal successors, (3802), 2764 states have internal predecessors, (3802), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:27:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3917 transitions. [2024-11-17 07:27:53,501 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3917 transitions. Word has length 143 [2024-11-17 07:27:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 2854 states and 3917 transitions. [2024-11-17 07:27:53,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 16 states have internal predecessors, (166), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:27:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3917 transitions. [2024-11-17 07:27:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 07:27:53,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:53,503 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:53,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 07:27:53,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 07:27:53,704 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:53,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2000257206, now seen corresponding path program 2 times [2024-11-17 07:27:53,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:53,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278341291] [2024-11-17 07:27:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:54,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:27:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:54,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:27:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:54,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:27:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:54,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:27:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:27:54,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:54,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278341291] [2024-11-17 07:27:54,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278341291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:54,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320057119] [2024-11-17 07:27:54,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:27:54,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:54,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:54,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 07:27:54,729 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:27:54,730 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:27:54,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:27:54,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:54,741 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 15 treesize of output 7 [2024-11-17 07:27:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 07:27:54,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:54,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320057119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:54,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:54,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-17 07:27:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595586166] [2024-11-17 07:27:54,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:54,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:54,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:54,756 INFO L87 Difference]: Start difference. First operand 2854 states and 3917 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:27:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:54,871 INFO L93 Difference]: Finished difference Result 2854 states and 3917 transitions. [2024-11-17 07:27:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:54,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 147 [2024-11-17 07:27:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:54,878 INFO L225 Difference]: With dead ends: 2854 [2024-11-17 07:27:54,879 INFO L226 Difference]: Without dead ends: 2853 [2024-11-17 07:27:54,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:27:54,880 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 2 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:54,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1020 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:54,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2024-11-17 07:27:54,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 2853. [2024-11-17 07:27:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 2751 states have (on average 1.3798618684114867) internal successors, (3796), 2763 states have internal predecessors, (3796), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:27:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 3911 transitions. [2024-11-17 07:27:54,959 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 3911 transitions. Word has length 147 [2024-11-17 07:27:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:54,960 INFO L471 AbstractCegarLoop]: Abstraction has 2853 states and 3911 transitions. [2024-11-17 07:27:54,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:27:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3911 transitions. [2024-11-17 07:27:54,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-17 07:27:54,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:54,961 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:54,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 07:27:55,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:27:55,162 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:55,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:55,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1878430521, now seen corresponding path program 1 times [2024-11-17 07:27:55,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:55,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341742998] [2024-11-17 07:27:55,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:55,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:27:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:55,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:27:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:27:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:55,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:27:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:27:55,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:55,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341742998] [2024-11-17 07:27:55,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341742998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:55,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37174329] [2024-11-17 07:27:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:55,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:55,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:55,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:55,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 07:27:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:56,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:27:56,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 07:27:56,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:27:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:27:56,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37174329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:27:56,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:27:56,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-17 07:27:56,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009998167] [2024-11-17 07:27:56,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:27:56,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-17 07:27:56,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-17 07:27:56,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-17 07:27:56,766 INFO L87 Difference]: Start difference. First operand 2853 states and 3911 transitions. Second operand has 28 states, 28 states have (on average 6.392857142857143) internal successors, (179), 26 states have internal predecessors, (179), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:27:58,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:58,686 INFO L93 Difference]: Finished difference Result 5689 states and 7835 transitions. [2024-11-17 07:27:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-17 07:27:58,686 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.392857142857143) internal successors, (179), 26 states have internal predecessors, (179), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 148 [2024-11-17 07:27:58,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:58,694 INFO L225 Difference]: With dead ends: 5689 [2024-11-17 07:27:58,694 INFO L226 Difference]: Without dead ends: 2920 [2024-11-17 07:27:58,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=527, Invalid=2779, Unknown=0, NotChecked=0, Total=3306 [2024-11-17 07:27:58,700 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 136 mSDsluCounter, 8151 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 8618 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:58,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 8618 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:27:58,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2920 states. [2024-11-17 07:27:58,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2920 to 2898. [2024-11-17 07:27:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2796 states have (on average 1.3748211731044349) internal successors, (3844), 2808 states have internal predecessors, (3844), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:27:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 3959 transitions. [2024-11-17 07:27:58,793 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 3959 transitions. Word has length 148 [2024-11-17 07:27:58,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:58,793 INFO L471 AbstractCegarLoop]: Abstraction has 2898 states and 3959 transitions. [2024-11-17 07:27:58,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.392857142857143) internal successors, (179), 26 states have internal predecessors, (179), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:27:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3959 transitions. [2024-11-17 07:27:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-17 07:27:58,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:58,795 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:27:58,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 07:27:59,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 07:27:59,000 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:27:59,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:59,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1572527256, now seen corresponding path program 2 times [2024-11-17 07:27:59,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:59,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935341327] [2024-11-17 07:27:59,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:59,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:59,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:59,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:27:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:59,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:27:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:28:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 07:28:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:28:00,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:00,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935341327] [2024-11-17 07:28:00,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935341327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:28:00,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556246833] [2024-11-17 07:28:00,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:28:00,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:28:00,157 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:28:00,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 07:28:00,996 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:28:00,996 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:28:01,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:28:01,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:28:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:28:01,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:28:01,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556246833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:01,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:28:01,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2024-11-17 07:28:01,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423753336] [2024-11-17 07:28:01,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:01,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:28:01,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:01,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:28:01,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:28:01,294 INFO L87 Difference]: Start difference. First operand 2898 states and 3959 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:28:01,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:01,767 INFO L93 Difference]: Finished difference Result 5782 states and 7919 transitions. [2024-11-17 07:28:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:28:01,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 157 [2024-11-17 07:28:01,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:01,776 INFO L225 Difference]: With dead ends: 5782 [2024-11-17 07:28:01,776 INFO L226 Difference]: Without dead ends: 2933 [2024-11-17 07:28:01,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:28:01,781 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 15 mSDsluCounter, 2197 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:01,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2694 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:28:01,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2024-11-17 07:28:01,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2926. [2024-11-17 07:28:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2824 states have (on average 1.3711048158640227) internal successors, (3872), 2836 states have internal predecessors, (3872), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3987 transitions. [2024-11-17 07:28:01,948 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3987 transitions. Word has length 157 [2024-11-17 07:28:01,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:01,949 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3987 transitions. [2024-11-17 07:28:01,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:28:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3987 transitions. [2024-11-17 07:28:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 07:28:01,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:01,952 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:01,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 07:28:02,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:02,152 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:02,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:02,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1273018541, now seen corresponding path program 1 times [2024-11-17 07:28:02,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:02,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445220584] [2024-11-17 07:28:02,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:02,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:28:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:28:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:02,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:28:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 07:28:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:28:02,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:02,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445220584] [2024-11-17 07:28:02,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445220584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:02,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:28:02,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:28:02,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101738396] [2024-11-17 07:28:02,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:02,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:28:02,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:28:02,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:28:02,593 INFO L87 Difference]: Start difference. First operand 2926 states and 3987 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:03,234 INFO L93 Difference]: Finished difference Result 5821 states and 7950 transitions. [2024-11-17 07:28:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:28:03,235 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 159 [2024-11-17 07:28:03,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:03,243 INFO L225 Difference]: With dead ends: 5821 [2024-11-17 07:28:03,243 INFO L226 Difference]: Without dead ends: 2947 [2024-11-17 07:28:03,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:28:03,248 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 57 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:03,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2897 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:28:03,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-11-17 07:28:03,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-11-17 07:28:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2845 states have (on average 1.3683655536028119) internal successors, (3893), 2857 states have internal predecessors, (3893), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4008 transitions. [2024-11-17 07:28:03,343 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4008 transitions. Word has length 159 [2024-11-17 07:28:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:03,343 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4008 transitions. [2024-11-17 07:28:03,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4008 transitions. [2024-11-17 07:28:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 07:28:03,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:03,345 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:03,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 07:28:03,345 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:03,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:03,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1776517004, now seen corresponding path program 1 times [2024-11-17 07:28:03,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:03,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442234084] [2024-11-17 07:28:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:03,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:28:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:03,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:28:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:03,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:28:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:03,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 07:28:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:28:03,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:03,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442234084] [2024-11-17 07:28:03,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442234084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:03,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:28:03,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 07:28:03,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548449618] [2024-11-17 07:28:03,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:03,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:28:03,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:03,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:28:03,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:28:03,782 INFO L87 Difference]: Start difference. First operand 2947 states and 4008 transitions. Second operand has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:04,491 INFO L93 Difference]: Finished difference Result 5863 states and 7994 transitions. [2024-11-17 07:28:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:28:04,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 159 [2024-11-17 07:28:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:04,499 INFO L225 Difference]: With dead ends: 5863 [2024-11-17 07:28:04,499 INFO L226 Difference]: Without dead ends: 2982 [2024-11-17 07:28:04,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:28:04,504 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 61 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3270 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:04,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 3270 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:28:04,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-17 07:28:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2947. [2024-11-17 07:28:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2845 states have (on average 1.3683655536028119) internal successors, (3893), 2857 states have internal predecessors, (3893), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4008 transitions. [2024-11-17 07:28:04,626 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4008 transitions. Word has length 159 [2024-11-17 07:28:04,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:04,626 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4008 transitions. [2024-11-17 07:28:04,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:04,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4008 transitions. [2024-11-17 07:28:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 07:28:04,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:04,628 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:04,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-17 07:28:04,628 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:04,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash 257201538, now seen corresponding path program 1 times [2024-11-17 07:28:04,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:04,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263851140] [2024-11-17 07:28:04,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:28:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:05,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:28:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:05,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:28:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:05,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:28:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:28:05,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:05,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263851140] [2024-11-17 07:28:05,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263851140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:05,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:28:05,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:28:05,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710433910] [2024-11-17 07:28:05,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:05,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:28:05,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:05,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:28:05,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:28:05,148 INFO L87 Difference]: Start difference. First operand 2947 states and 4008 transitions. Second operand has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 9 states have internal predecessors, (123), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:05,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:05,809 INFO L93 Difference]: Finished difference Result 5893 states and 8028 transitions. [2024-11-17 07:28:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:28:05,810 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 9 states have internal predecessors, (123), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 160 [2024-11-17 07:28:05,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:05,817 INFO L225 Difference]: With dead ends: 5893 [2024-11-17 07:28:05,817 INFO L226 Difference]: Without dead ends: 3017 [2024-11-17 07:28:05,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:28:05,822 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 69 mSDsluCounter, 3277 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:05,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 3741 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:28:05,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2024-11-17 07:28:05,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2996. [2024-11-17 07:28:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2894 states have (on average 1.3669661368348307) internal successors, (3956), 2906 states have internal predecessors, (3956), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:05,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4071 transitions. [2024-11-17 07:28:05,915 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4071 transitions. Word has length 160 [2024-11-17 07:28:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:05,915 INFO L471 AbstractCegarLoop]: Abstraction has 2996 states and 4071 transitions. [2024-11-17 07:28:05,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 9 states have internal predecessors, (123), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4071 transitions. [2024-11-17 07:28:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 07:28:05,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:05,917 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:05,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-17 07:28:05,918 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:05,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:05,918 INFO L85 PathProgramCache]: Analyzing trace with hash -100880788, now seen corresponding path program 1 times [2024-11-17 07:28:05,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:05,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575238177] [2024-11-17 07:28:05,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:05,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:28:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:06,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:28:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:07,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:28:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:07,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:28:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:28:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575238177] [2024-11-17 07:28:07,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575238177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:28:07,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954551416] [2024-11-17 07:28:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:28:07,128 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:28:07,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 07:28:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:07,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 07:28:07,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:28:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:28:07,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:28:07,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954551416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:07,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:28:07,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2024-11-17 07:28:07,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038900196] [2024-11-17 07:28:07,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:07,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:28:07,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:07,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:28:07,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:28:07,979 INFO L87 Difference]: Start difference. First operand 2996 states and 4071 transitions. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:28:08,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:08,628 INFO L93 Difference]: Finished difference Result 5984 states and 8145 transitions. [2024-11-17 07:28:08,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:28:08,628 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 160 [2024-11-17 07:28:08,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:08,634 INFO L225 Difference]: With dead ends: 5984 [2024-11-17 07:28:08,634 INFO L226 Difference]: Without dead ends: 3066 [2024-11-17 07:28:08,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:28:08,638 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 17 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:08,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3163 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:28:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2024-11-17 07:28:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3031. [2024-11-17 07:28:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 2929 states have (on average 1.3649709798566063) internal successors, (3998), 2941 states have internal predecessors, (3998), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 4113 transitions. [2024-11-17 07:28:08,756 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 4113 transitions. Word has length 160 [2024-11-17 07:28:08,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:08,756 INFO L471 AbstractCegarLoop]: Abstraction has 3031 states and 4113 transitions. [2024-11-17 07:28:08,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:28:08,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 4113 transitions. [2024-11-17 07:28:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 07:28:08,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:08,758 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:08,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 07:28:08,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 07:28:08,963 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:08,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:08,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1347374035, now seen corresponding path program 1 times [2024-11-17 07:28:08,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:08,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248130104] [2024-11-17 07:28:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:28:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:09,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:28:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:09,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:28:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:09,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:28:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:28:09,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:09,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248130104] [2024-11-17 07:28:09,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248130104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:09,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:28:09,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-17 07:28:09,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085647321] [2024-11-17 07:28:09,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:09,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:28:09,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:09,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:28:09,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:28:09,519 INFO L87 Difference]: Start difference. First operand 3031 states and 4113 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:10,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:10,375 INFO L93 Difference]: Finished difference Result 6047 states and 8229 transitions. [2024-11-17 07:28:10,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 07:28:10,376 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 161 [2024-11-17 07:28:10,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:10,386 INFO L225 Difference]: With dead ends: 6047 [2024-11-17 07:28:10,386 INFO L226 Difference]: Without dead ends: 3094 [2024-11-17 07:28:10,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:28:10,391 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 72 mSDsluCounter, 4070 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:10,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 4540 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:28:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-11-17 07:28:10,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3052. [2024-11-17 07:28:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 2950 states have (on average 1.3623728813559322) internal successors, (4019), 2962 states have internal predecessors, (4019), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4134 transitions. [2024-11-17 07:28:10,482 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4134 transitions. Word has length 161 [2024-11-17 07:28:10,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:10,482 INFO L471 AbstractCegarLoop]: Abstraction has 3052 states and 4134 transitions. [2024-11-17 07:28:10,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:28:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4134 transitions. [2024-11-17 07:28:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 07:28:10,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:10,487 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:10,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 07:28:10,487 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1163243479, now seen corresponding path program 1 times [2024-11-17 07:28:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:10,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246341783] [2024-11-17 07:28:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:28:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:11,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:28:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:11,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:28:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:11,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:28:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:28:11,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246341783] [2024-11-17 07:28:11,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246341783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:28:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741970819] [2024-11-17 07:28:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:11,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:28:11,559 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:28:11,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 07:28:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:12,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 07:28:12,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:28:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 10 proven. 130 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 07:28:12,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:28:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 79 proven. 15 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 07:28:13,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741970819] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:28:13,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:28:13,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 10] total 40 [2024-11-17 07:28:13,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635293932] [2024-11-17 07:28:13,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:28:13,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-17 07:28:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:13,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-17 07:28:13,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:28:13,114 INFO L87 Difference]: Start difference. First operand 3052 states and 4134 transitions. Second operand has 40 states, 40 states have (on average 4.65) internal successors, (186), 38 states have internal predecessors, (186), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-17 07:28:16,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:16,950 INFO L93 Difference]: Finished difference Result 6066 states and 8266 transitions. [2024-11-17 07:28:16,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-17 07:28:16,951 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.65) internal successors, (186), 38 states have internal predecessors, (186), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 161 [2024-11-17 07:28:16,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:16,958 INFO L225 Difference]: With dead ends: 6066 [2024-11-17 07:28:16,959 INFO L226 Difference]: Without dead ends: 3132 [2024-11-17 07:28:16,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1749 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1040, Invalid=6970, Unknown=0, NotChecked=0, Total=8010 [2024-11-17 07:28:16,965 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 216 mSDsluCounter, 12115 mSDsCounter, 0 mSdLazyCounter, 2671 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 12592 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:16,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 12592 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2671 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 07:28:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states. [2024-11-17 07:28:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 3098. [2024-11-17 07:28:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2996 states have (on average 1.356475300400534) internal successors, (4064), 3007 states have internal predecessors, (4064), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4179 transitions. [2024-11-17 07:28:17,116 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4179 transitions. Word has length 161 [2024-11-17 07:28:17,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:17,117 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4179 transitions. [2024-11-17 07:28:17,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.65) internal successors, (186), 38 states have internal predecessors, (186), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-17 07:28:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4179 transitions. [2024-11-17 07:28:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:28:17,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:17,119 INFO L215 NwaCegarLoop]: trace histogram [23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:17,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-17 07:28:17,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:17,320 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:17,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash -59696153, now seen corresponding path program 2 times [2024-11-17 07:28:17,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:17,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050460313] [2024-11-17 07:28:17,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:18,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:28:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:18,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:28:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:28:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:18,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:28:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 228 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 07:28:18,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:18,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050460313] [2024-11-17 07:28:18,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050460313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:28:18,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962842692] [2024-11-17 07:28:18,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:28:18,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:18,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:28:18,526 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:28:18,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 07:28:19,455 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:28:19,456 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:28:19,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-17 07:28:19,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:28:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 178 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-17 07:28:19,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:28:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 228 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 07:28:20,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962842692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:28:20,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:28:20,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-11-17 07:28:20,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868556750] [2024-11-17 07:28:20,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:28:20,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 07:28:20,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:20,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 07:28:20,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 07:28:20,418 INFO L87 Difference]: Start difference. First operand 3098 states and 4179 transitions. Second operand has 48 states, 48 states have (on average 4.1875) internal successors, (201), 46 states have internal predecessors, (201), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:28:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:25,413 INFO L93 Difference]: Finished difference Result 6176 states and 8397 transitions. [2024-11-17 07:28:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-17 07:28:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 46 states have internal predecessors, (201), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 169 [2024-11-17 07:28:25,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:25,420 INFO L225 Difference]: With dead ends: 6176 [2024-11-17 07:28:25,420 INFO L226 Difference]: Without dead ends: 3197 [2024-11-17 07:28:25,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2172 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1757, Invalid=7945, Unknown=0, NotChecked=0, Total=9702 [2024-11-17 07:28:25,427 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 149 mSDsluCounter, 8832 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 9310 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:25,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 9310 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:28:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2024-11-17 07:28:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3176. [2024-11-17 07:28:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3176 states, 3074 states have (on average 1.3474300585556278) internal successors, (4142), 3085 states have internal predecessors, (4142), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4257 transitions. [2024-11-17 07:28:25,571 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4257 transitions. Word has length 169 [2024-11-17 07:28:25,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:25,571 INFO L471 AbstractCegarLoop]: Abstraction has 3176 states and 4257 transitions. [2024-11-17 07:28:25,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 46 states have internal predecessors, (201), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:28:25,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4257 transitions. [2024-11-17 07:28:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:28:25,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:25,573 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:25,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 07:28:25,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 07:28:25,773 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:25,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:25,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1924530682, now seen corresponding path program 3 times [2024-11-17 07:28:25,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:25,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479321836] [2024-11-17 07:28:25,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:25,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:26,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:28:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:26,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:28:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:28,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 07:28:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:28,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 07:28:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 7 proven. 631 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 07:28:28,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:28:28,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479321836] [2024-11-17 07:28:28,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479321836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:28:28,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140661626] [2024-11-17 07:28:28,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:28:28,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:28:28,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:28:28,098 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:28:28,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 07:28:29,521 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 07:28:29,522 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:28:29,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 07:28:29,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:28:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2024-11-17 07:28:30,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:28:30,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140661626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:28:30,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:28:30,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [31] total 40 [2024-11-17 07:28:30,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028185066] [2024-11-17 07:28:30,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:28:30,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:28:30,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:28:30,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:28:30,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:28:30,324 INFO L87 Difference]: Start difference. First operand 3176 states and 4257 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 states have internal predecessors, (124), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:28:31,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:28:31,134 INFO L93 Difference]: Finished difference Result 6271 states and 8417 transitions. [2024-11-17 07:28:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:28:31,134 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 states have internal predecessors, (124), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 182 [2024-11-17 07:28:31,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:28:31,141 INFO L225 Difference]: With dead ends: 6271 [2024-11-17 07:28:31,141 INFO L226 Difference]: Without dead ends: 3176 [2024-11-17 07:28:31,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:28:31,147 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 11 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4471 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:28:31,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4471 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:28:31,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2024-11-17 07:28:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3162. [2024-11-17 07:28:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 3060 states have (on average 1.346732026143791) internal successors, (4121), 3071 states have internal predecessors, (4121), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:28:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4236 transitions. [2024-11-17 07:28:31,296 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4236 transitions. Word has length 182 [2024-11-17 07:28:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:28:31,297 INFO L471 AbstractCegarLoop]: Abstraction has 3162 states and 4236 transitions. [2024-11-17 07:28:31,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 states have internal predecessors, (124), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:28:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4236 transitions. [2024-11-17 07:28:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:28:31,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:28:31,299 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 07:28:31,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 07:28:31,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 07:28:31,500 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:28:31,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:28:31,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2085148838, now seen corresponding path program 1 times [2024-11-17 07:28:31,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:28:31,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919856611] [2024-11-17 07:28:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:28:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:28:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:28:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:28:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:28:32,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:28:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat