./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_FNV_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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:18:34,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:18:34,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:18:34,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:18:34,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:18:34,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:18:34,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:18:34,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:18:34,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:18:34,422 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:18:34,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:18:34,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:18:34,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:18:34,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:18:34,426 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:18:34,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:18:34,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:18:34,427 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:18:34,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:18:34,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:18:34,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:18:34,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:18:34,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:18:34,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:18:34,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:18:34,432 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:18:34,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:18:34,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:18:34,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:18:34,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:18:34,433 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:18:34,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:18:34,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:18:34,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:18:34,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:18:34,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:18:34,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:18:34,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:18:34,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:18:34,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:18:34,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:18:34,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:18:34,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:18:34,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:18:34,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2024-11-17 07:18:34,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:18:34,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:18:34,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:18:34,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:18:34,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:18:34,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-17 07:18:36,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:18:36,499 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:18:36,499 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2024-11-17 07:18:36,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29568810e/c8c68f64c985498196b9018998979572/FLAG6a1ab5ed6 [2024-11-17 07:18:36,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29568810e/c8c68f64c985498196b9018998979572 [2024-11-17 07:18:36,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:18:36,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:18:36,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:18:36,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:18:36,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:18:36,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:18:36" (1/1) ... [2024-11-17 07:18:36,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393a189e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:36, skipping insertion in model container [2024-11-17 07:18:36,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:18:36" (1/1) ... [2024-11-17 07:18:36,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:18:37,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:18:37,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:18:37,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:18:37,506 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:18:37,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37 WrapperNode [2024-11-17 07:18:37,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:18:37,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:18:37,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:18:37,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:18:37,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,619 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1452 [2024-11-17 07:18:37,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:18:37,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:18:37,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:18:37,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:18:37,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,744 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 07:18:37,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,795 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:18:37,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:18:37,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:18:37,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:18:37,838 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (1/1) ... [2024-11-17 07:18:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:18:37,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:37,878 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 07:18:37,881 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 07:18:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:18:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-17 07:18:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-17 07:18:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:18:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:18:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:18:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 07:18:37,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:18:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:18:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:18:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:18:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:18:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 07:18:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:18:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:18:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-17 07:18:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-17 07:18:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:18:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:18:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:18:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 07:18:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-17 07:18:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-17 07:18:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:18:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:18:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:18:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 07:18:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:18:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:18:38,222 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:18:38,224 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:18:38,285 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2024-11-17 07:18:39,407 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2024-11-17 07:18:39,407 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2024-11-17 07:18:39,407 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 07:18:39,499 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-17 07:18:39,500 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:18:39,562 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:18:39,566 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:18:39,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:18:39 BoogieIcfgContainer [2024-11-17 07:18:39,566 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:18:39,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:18:39,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:18:39,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:18:39,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:18:36" (1/3) ... [2024-11-17 07:18:39,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f96489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:18:39, skipping insertion in model container [2024-11-17 07:18:39,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:37" (2/3) ... [2024-11-17 07:18:39,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f96489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:18:39, skipping insertion in model container [2024-11-17 07:18:39,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:18:39" (3/3) ... [2024-11-17 07:18:39,576 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-1.i [2024-11-17 07:18:39,590 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:18:39,591 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-17 07:18:39,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:18:39,681 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;@4adc0e76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:18:39,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-17 07:18:39,689 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 07:18:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:18:39,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:39,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:18:39,697 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 07:18:39,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:39,704 INFO L85 PathProgramCache]: Analyzing trace with hash -93056644, now seen corresponding path program 1 times [2024-11-17 07:18:39,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:39,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305369900] [2024-11-17 07:18:39,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:39,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:39,929 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 07:18:39,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:39,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305369900] [2024-11-17 07:18:39,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305369900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:39,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:39,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:18:39,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860335481] [2024-11-17 07:18:39,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:39,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:18:39,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:39,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:18:39,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:18:39,969 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 07:18:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:40,133 INFO L93 Difference]: Finished difference Result 943 states and 1467 transitions. [2024-11-17 07:18:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:18:40,139 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 07:18:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:40,153 INFO L225 Difference]: With dead ends: 943 [2024-11-17 07:18:40,154 INFO L226 Difference]: Without dead ends: 455 [2024-11-17 07:18:40,162 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 07:18:40,165 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 07:18:40,166 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 07:18:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-17 07:18:40,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-17 07:18:40,220 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 07:18:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 633 transitions. [2024-11-17 07:18:40,224 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 633 transitions. Word has length 8 [2024-11-17 07:18:40,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:40,224 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 633 transitions. [2024-11-17 07:18:40,225 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 07:18:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 633 transitions. [2024-11-17 07:18:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:18:40,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:40,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:18:40,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:18:40,226 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 07:18:40,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash -93055683, now seen corresponding path program 1 times [2024-11-17 07:18:40,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:40,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199668496] [2024-11-17 07:18:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:18:40,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [274750216] [2024-11-17 07:18:40,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:40,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:40,272 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 07:18:40,275 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 07:18:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:40,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:18:40,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:40,510 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 07:18:40,543 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 07:18:40,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:40,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:40,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199668496] [2024-11-17 07:18:40,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:18:40,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274750216] [2024-11-17 07:18:40,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274750216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:40,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:40,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:40,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113442356] [2024-11-17 07:18:40,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:40,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:40,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:40,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:40,551 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 07:18:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:40,871 INFO L93 Difference]: Finished difference Result 873 states and 1230 transitions. [2024-11-17 07:18:40,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:40,872 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 07:18:40,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:40,880 INFO L225 Difference]: With dead ends: 873 [2024-11-17 07:18:40,880 INFO L226 Difference]: Without dead ends: 871 [2024-11-17 07:18:40,881 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 07:18:40,882 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 07:18:40,882 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 07:18:40,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-17 07:18:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 462. [2024-11-17 07:18:40,917 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 07:18:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 641 transitions. [2024-11-17 07:18:40,922 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 641 transitions. Word has length 8 [2024-11-17 07:18:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:40,922 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 641 transitions. [2024-11-17 07:18:40,923 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 07:18:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 641 transitions. [2024-11-17 07:18:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:18:40,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:40,927 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 07:18:40,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 07:18:41,127 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 07:18:41,128 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 07:18:41,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2087381474, now seen corresponding path program 1 times [2024-11-17 07:18:41,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632605382] [2024-11-17 07:18:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:41,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:41,516 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 07:18:41,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:41,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632605382] [2024-11-17 07:18:41,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632605382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:41,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:41,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:18:41,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243824171] [2024-11-17 07:18:41,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:41,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:41,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:41,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:41,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:41,522 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 07:18:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:41,719 INFO L93 Difference]: Finished difference Result 873 states and 1206 transitions. [2024-11-17 07:18:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:41,720 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 07:18:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:41,723 INFO L225 Difference]: With dead ends: 873 [2024-11-17 07:18:41,723 INFO L226 Difference]: Without dead ends: 420 [2024-11-17 07:18:41,726 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 07:18:41,727 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:41,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1474 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:18:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-17 07:18:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-17 07:18:41,748 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 07:18:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 564 transitions. [2024-11-17 07:18:41,751 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 564 transitions. Word has length 67 [2024-11-17 07:18:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:41,752 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 564 transitions. [2024-11-17 07:18:41,752 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 07:18:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2024-11-17 07:18:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:18:41,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:41,758 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 07:18:41,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:18:41,758 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 07:18:41,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:41,759 INFO L85 PathProgramCache]: Analyzing trace with hash 175971177, now seen corresponding path program 1 times [2024-11-17 07:18:41,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:41,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027474190] [2024-11-17 07:18:41,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:41,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:42,059 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 07:18:42,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:42,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027474190] [2024-11-17 07:18:42,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027474190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:42,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:42,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:18:42,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963025367] [2024-11-17 07:18:42,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:42,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:42,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:42,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:42,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:42,065 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 07:18:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:42,222 INFO L93 Difference]: Finished difference Result 758 states and 1028 transitions. [2024-11-17 07:18:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:42,222 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 07:18:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:42,227 INFO L225 Difference]: With dead ends: 758 [2024-11-17 07:18:42,228 INFO L226 Difference]: Without dead ends: 754 [2024-11-17 07:18:42,228 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 07:18:42,229 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 07:18:42,230 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 07:18:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-17 07:18:42,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 744. [2024-11-17 07:18:42,254 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 07:18:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1022 transitions. [2024-11-17 07:18:42,257 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1022 transitions. Word has length 67 [2024-11-17 07:18:42,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:42,258 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1022 transitions. [2024-11-17 07:18:42,258 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 07:18:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1022 transitions. [2024-11-17 07:18:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 07:18:42,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:42,260 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 07:18:42,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:18:42,261 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 07:18:42,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:42,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1142837239, now seen corresponding path program 1 times [2024-11-17 07:18:42,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:42,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218466351] [2024-11-17 07:18:42,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:42,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:42,491 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 07:18:42,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:42,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218466351] [2024-11-17 07:18:42,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218466351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:42,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:42,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:18:42,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870149883] [2024-11-17 07:18:42,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:42,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:42,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:42,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:42,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:42,495 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 07:18:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:42,709 INFO L93 Difference]: Finished difference Result 1738 states and 2433 transitions. [2024-11-17 07:18:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:42,710 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 07:18:42,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:42,715 INFO L225 Difference]: With dead ends: 1738 [2024-11-17 07:18:42,715 INFO L226 Difference]: Without dead ends: 1329 [2024-11-17 07:18:42,716 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 07:18:42,719 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 07:18:42,720 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 07:18:42,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-17 07:18:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 744. [2024-11-17 07:18:42,745 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 07:18:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1021 transitions. [2024-11-17 07:18:42,748 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1021 transitions. Word has length 72 [2024-11-17 07:18:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:42,749 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1021 transitions. [2024-11-17 07:18:42,749 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 07:18:42,749 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1021 transitions. [2024-11-17 07:18:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 07:18:42,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:42,751 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 07:18:42,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:18:42,751 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 07:18:42,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:42,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1115226759, now seen corresponding path program 1 times [2024-11-17 07:18:42,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:42,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171479732] [2024-11-17 07:18:42,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:42,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:42,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:42,973 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 07:18:42,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171479732] [2024-11-17 07:18:42,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171479732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:42,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:42,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:42,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243266882] [2024-11-17 07:18:42,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:42,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:42,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:42,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:42,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:42,978 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 07:18:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:43,235 INFO L93 Difference]: Finished difference Result 981 states and 1342 transitions. [2024-11-17 07:18:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:43,236 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 07:18:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:43,241 INFO L225 Difference]: With dead ends: 981 [2024-11-17 07:18:43,241 INFO L226 Difference]: Without dead ends: 979 [2024-11-17 07:18:43,242 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 07:18:43,242 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 07:18:43,244 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 07:18:43,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-17 07:18:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 968. [2024-11-17 07:18:43,272 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 07:18:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1339 transitions. [2024-11-17 07:18:43,275 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1339 transitions. Word has length 78 [2024-11-17 07:18:43,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:43,277 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1339 transitions. [2024-11-17 07:18:43,277 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 07:18:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1339 transitions. [2024-11-17 07:18:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:18:43,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:43,279 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 07:18:43,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:18:43,279 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 07:18:43,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:43,280 INFO L85 PathProgramCache]: Analyzing trace with hash 332659283, now seen corresponding path program 1 times [2024-11-17 07:18:43,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:43,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158007183] [2024-11-17 07:18:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:43,420 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 07:18:43,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158007183] [2024-11-17 07:18:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158007183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:43,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:43,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609843417] [2024-11-17 07:18:43,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:43,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:18:43,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:43,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:18:43,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:18:43,425 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 07:18:43,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:43,617 INFO L93 Difference]: Finished difference Result 1657 states and 2283 transitions. [2024-11-17 07:18:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:18:43,617 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 07:18:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:43,621 INFO L225 Difference]: With dead ends: 1657 [2024-11-17 07:18:43,621 INFO L226 Difference]: Without dead ends: 698 [2024-11-17 07:18:43,623 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 07:18:43,624 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 300 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 07:18:43,625 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 07:18:43,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-17 07:18:43,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 693. [2024-11-17 07:18:43,641 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 07:18:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 947 transitions. [2024-11-17 07:18:43,645 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 947 transitions. Word has length 84 [2024-11-17 07:18:43,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:43,645 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 947 transitions. [2024-11-17 07:18:43,645 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 07:18:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 947 transitions. [2024-11-17 07:18:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 07:18:43,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:43,647 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 07:18:43,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:18:43,647 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 07:18:43,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:43,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1983943417, now seen corresponding path program 1 times [2024-11-17 07:18:43,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:43,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762499616] [2024-11-17 07:18:43,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,051 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 07:18:44,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:44,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762499616] [2024-11-17 07:18:44,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762499616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:44,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375770007] [2024-11-17 07:18:44,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:44,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:44,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:44,054 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 07:18:44,057 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 07:18:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 07:18:44,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:44,402 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 07:18:44,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:44,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375770007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:44,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:44,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-17 07:18:44,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583262784] [2024-11-17 07:18:44,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:44,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:18:44,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:44,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:18:44,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:18:44,405 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 07:18:44,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:44,566 INFO L93 Difference]: Finished difference Result 1193 states and 1651 transitions. [2024-11-17 07:18:44,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:44,567 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 07:18:44,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:44,571 INFO L225 Difference]: With dead ends: 1193 [2024-11-17 07:18:44,572 INFO L226 Difference]: Without dead ends: 1192 [2024-11-17 07:18:44,572 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 07:18:44,573 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 07:18:44,573 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 07:18:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-11-17 07:18:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 818. [2024-11-17 07:18:44,619 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 07:18:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1116 transitions. [2024-11-17 07:18:44,623 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1116 transitions. Word has length 88 [2024-11-17 07:18:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:44,623 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1116 transitions. [2024-11-17 07:18:44,624 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 07:18:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1116 transitions. [2024-11-17 07:18:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 07:18:44,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:44,625 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 07:18:44,643 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 07:18:44,825 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 07:18:44,826 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 07:18:44,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1372703804, now seen corresponding path program 1 times [2024-11-17 07:18:44,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:44,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571371701] [2024-11-17 07:18:44,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:44,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,221 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 07:18:45,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:45,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571371701] [2024-11-17 07:18:45,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571371701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:45,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834829852] [2024-11-17 07:18:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:45,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:45,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:45,224 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 07:18:45,225 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 07:18:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:18:45,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:45,635 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 07:18:45,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:18:45,890 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 07:18:45,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834829852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:18:45,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:18:45,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-17 07:18:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826081507] [2024-11-17 07:18:45,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:18:45,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 07:18:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:45,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 07:18:45,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:18:45,893 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 07:18:48,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:48,275 INFO L93 Difference]: Finished difference Result 3320 states and 4619 transitions. [2024-11-17 07:18:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 07:18:48,276 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 07:18:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:48,292 INFO L225 Difference]: With dead ends: 3320 [2024-11-17 07:18:48,293 INFO L226 Difference]: Without dead ends: 3318 [2024-11-17 07:18:48,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=565, Invalid=1415, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 07:18:48,297 INFO L432 NwaCegarLoop]: 863 mSDtfsCounter, 3766 mSDsluCounter, 10617 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 07:18:48,297 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 07:18:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2024-11-17 07:18:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 2495. [2024-11-17 07:18:48,372 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 07:18:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3468 transitions. [2024-11-17 07:18:48,381 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3468 transitions. Word has length 89 [2024-11-17 07:18:48,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:48,382 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3468 transitions. [2024-11-17 07:18:48,382 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 07:18:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3468 transitions. [2024-11-17 07:18:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:18:48,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:48,384 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 07:18:48,402 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 07:18:48,587 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 07:18:48,588 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 07:18:48,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash -204343991, now seen corresponding path program 1 times [2024-11-17 07:18:48,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:48,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75403831] [2024-11-17 07:18:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:48,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:48,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:48,938 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 07:18:48,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:48,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75403831] [2024-11-17 07:18:48,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75403831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:48,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896566833] [2024-11-17 07:18:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:48,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:48,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:48,941 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 07:18:48,943 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 07:18:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:49,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:18:49,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:49,357 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 07:18:49,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:18:49,561 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 07:18:49,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896566833] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:49,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 07:18:49,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-17 07:18:49,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419203740] [2024-11-17 07:18:49,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:49,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:18:49,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:49,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:18:49,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:18:49,563 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 07:18:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:49,734 INFO L93 Difference]: Finished difference Result 2495 states and 3468 transitions. [2024-11-17 07:18:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:18:49,734 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 07:18:49,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:49,743 INFO L225 Difference]: With dead ends: 2495 [2024-11-17 07:18:49,744 INFO L226 Difference]: Without dead ends: 2494 [2024-11-17 07:18:49,745 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 07:18:49,745 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 07:18:49,745 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 07:18:49,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-17 07:18:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2494. [2024-11-17 07:18:49,832 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 07:18:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3463 transitions. [2024-11-17 07:18:49,841 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3463 transitions. Word has length 99 [2024-11-17 07:18:49,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:49,841 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 3463 transitions. [2024-11-17 07:18:49,842 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 07:18:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3463 transitions. [2024-11-17 07:18:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 07:18:49,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:49,843 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 07:18:49,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 07:18:50,047 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 07:18:50,048 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 07:18:50,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2039696425, now seen corresponding path program 1 times [2024-11-17 07:18:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:50,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748571844] [2024-11-17 07:18:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,351 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 07:18:50,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:50,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748571844] [2024-11-17 07:18:50,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748571844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:50,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167554081] [2024-11-17 07:18:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:50,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:50,354 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 07:18:50,356 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 07:18:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:18:50,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:50,838 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 07:18:50,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:18:51,031 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 07:18:51,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167554081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:18:51,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:18:51,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-17 07:18:51,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128160535] [2024-11-17 07:18:51,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:18:51,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:18:51,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:51,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:18:51,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:18:51,033 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 07:18:52,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:52,058 INFO L93 Difference]: Finished difference Result 4947 states and 6873 transitions. [2024-11-17 07:18:52,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 07:18:52,059 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 07:18:52,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:52,077 INFO L225 Difference]: With dead ends: 4947 [2024-11-17 07:18:52,077 INFO L226 Difference]: Without dead ends: 4946 [2024-11-17 07:18:52,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-11-17 07:18:52,080 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 07:18:52,080 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 07:18:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2024-11-17 07:18:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4556. [2024-11-17 07:18:52,249 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 07:18:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 6321 transitions. [2024-11-17 07:18:52,260 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 6321 transitions. Word has length 100 [2024-11-17 07:18:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:52,260 INFO L471 AbstractCegarLoop]: Abstraction has 4556 states and 6321 transitions. [2024-11-17 07:18:52,261 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 07:18:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 6321 transitions. [2024-11-17 07:18:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 07:18:52,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:52,263 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 07:18:52,281 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 07:18:52,463 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 07:18:52,464 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 07:18:52,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:52,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1177020072, now seen corresponding path program 1 times [2024-11-17 07:18:52,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:52,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112250700] [2024-11-17 07:18:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:52,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:52,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:18:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:52,855 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 07:18:52,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:52,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112250700] [2024-11-17 07:18:52,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112250700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:52,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:52,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:18:52,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769359592] [2024-11-17 07:18:52,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:52,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:18:52,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:52,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:18:52,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:18:52,859 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 07:18:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:53,581 INFO L93 Difference]: Finished difference Result 6129 states and 8567 transitions. [2024-11-17 07:18:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:18:53,581 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 07:18:53,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:53,601 INFO L225 Difference]: With dead ends: 6129 [2024-11-17 07:18:53,601 INFO L226 Difference]: Without dead ends: 6127 [2024-11-17 07:18:53,604 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 07:18:53,605 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 07:18:53,605 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 07:18:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6127 states. [2024-11-17 07:18:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6127 to 4726. [2024-11-17 07:18:53,732 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 07:18:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4726 states to 4726 states and 6542 transitions. [2024-11-17 07:18:53,743 INFO L78 Accepts]: Start accepts. Automaton has 4726 states and 6542 transitions. Word has length 127 [2024-11-17 07:18:53,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:53,743 INFO L471 AbstractCegarLoop]: Abstraction has 4726 states and 6542 transitions. [2024-11-17 07:18:53,743 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 07:18:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states and 6542 transitions. [2024-11-17 07:18:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-17 07:18:53,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:53,745 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 07:18:53,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 07:18:53,745 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 07:18:53,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:53,746 INFO L85 PathProgramCache]: Analyzing trace with hash -834084925, now seen corresponding path program 1 times [2024-11-17 07:18:53,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:53,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700114022] [2024-11-17 07:18:53,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:53,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:18:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,194 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 07:18:54,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:54,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700114022] [2024-11-17 07:18:54,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700114022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:54,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027461490] [2024-11-17 07:18:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:54,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:54,196 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 07:18:54,198 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 07:18:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:18:54,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:54,685 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 07:18:54,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:54,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027461490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:54,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:54,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-17 07:18:54,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685008296] [2024-11-17 07:18:54,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:54,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:18:54,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:54,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:18:54,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:18:54,688 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 07:18:55,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:55,021 INFO L93 Difference]: Finished difference Result 8901 states and 12375 transitions. [2024-11-17 07:18:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:18:55,022 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 07:18:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:55,062 INFO L225 Difference]: With dead ends: 8901 [2024-11-17 07:18:55,062 INFO L226 Difference]: Without dead ends: 4509 [2024-11-17 07:18:55,067 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 07:18:55,068 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 07:18:55,068 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 07:18:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2024-11-17 07:18:55,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 4509. [2024-11-17 07:18:55,182 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 07:18:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6261 transitions. [2024-11-17 07:18:55,191 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6261 transitions. Word has length 135 [2024-11-17 07:18:55,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:55,192 INFO L471 AbstractCegarLoop]: Abstraction has 4509 states and 6261 transitions. [2024-11-17 07:18:55,192 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 07:18:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6261 transitions. [2024-11-17 07:18:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 07:18:55,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:55,194 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 07:18:55,214 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 07:18:55,397 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 07:18:55,398 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 07:18:55,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:55,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1842438886, now seen corresponding path program 1 times [2024-11-17 07:18:55,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:55,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120556752] [2024-11-17 07:18:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:55,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:18:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 07:18:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 07:18:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:18:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,977 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 07:18:55,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:55,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120556752] [2024-11-17 07:18:55,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120556752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:55,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744113418] [2024-11-17 07:18:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:55,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:55,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:55,979 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 07:18:55,981 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 07:18:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:56,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:18:56,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:56,402 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 07:18:56,423 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 07:18:56,443 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 07:18:57,102 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 07:18:57,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:57,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744113418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:57,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:57,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-17 07:18:57,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477776008] [2024-11-17 07:18:57,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:57,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:18:57,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:57,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:18:57,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:18:57,104 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 07:18:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:58,394 INFO L93 Difference]: Finished difference Result 10383 states and 14494 transitions. [2024-11-17 07:18:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:18:58,395 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 07:18:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:58,409 INFO L225 Difference]: With dead ends: 10383 [2024-11-17 07:18:58,410 INFO L226 Difference]: Without dead ends: 5923 [2024-11-17 07:18:58,418 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 07:18:58,419 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 614 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:58,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 3410 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:18:58,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2024-11-17 07:18:58,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 4509. [2024-11-17 07:18:58,532 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 07:18:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6260 transitions. [2024-11-17 07:18:58,541 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6260 transitions. Word has length 140 [2024-11-17 07:18:58,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:58,541 INFO L471 AbstractCegarLoop]: Abstraction has 4509 states and 6260 transitions. [2024-11-17 07:18:58,541 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 07:18:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6260 transitions. [2024-11-17 07:18:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-17 07:18:58,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:58,543 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 07:18:58,563 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 07:18:58,747 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 07:18:58,748 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 07:18:58,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:58,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1169330390, now seen corresponding path program 1 times [2024-11-17 07:18:58,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:58,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821843398] [2024-11-17 07:18:58,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:58,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:18:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:18:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:18:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 07:18:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:18:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,266 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 07:18:59,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:59,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821843398] [2024-11-17 07:18:59,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821843398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:59,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244392215] [2024-11-17 07:18:59,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:59,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:59,268 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 07:18:59,270 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 07:18:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:18:59,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:59,925 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 07:18:59,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:59,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244392215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:59,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:59,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-17 07:18:59,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812130664] [2024-11-17 07:18:59,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:59,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:18:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:59,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:18:59,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:18:59,928 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 07:19:00,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:00,229 INFO L93 Difference]: Finished difference Result 7232 states and 10038 transitions. [2024-11-17 07:19:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:19:00,230 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 07:19:00,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:00,238 INFO L225 Difference]: With dead ends: 7232 [2024-11-17 07:19:00,238 INFO L226 Difference]: Without dead ends: 2813 [2024-11-17 07:19:00,244 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 07:19:00,245 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 14 mSDsluCounter, 3515 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 07:19:00,245 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 07:19:00,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2024-11-17 07:19:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2811. [2024-11-17 07:19:00,326 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 07:19:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3863 transitions. [2024-11-17 07:19:00,332 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3863 transitions. Word has length 141 [2024-11-17 07:19:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:00,332 INFO L471 AbstractCegarLoop]: Abstraction has 2811 states and 3863 transitions. [2024-11-17 07:19:00,333 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 07:19:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3863 transitions. [2024-11-17 07:19:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-17 07:19:00,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:00,334 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 07:19:00,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 07:19:00,534 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 07:19:00,535 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 07:19:00,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:00,535 INFO L85 PathProgramCache]: Analyzing trace with hash 30990664, now seen corresponding path program 1 times [2024-11-17 07:19:00,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:00,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081196065] [2024-11-17 07:19:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:00,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-17 07:19:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:19:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,121 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 07:19:01,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:01,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081196065] [2024-11-17 07:19:01,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081196065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:01,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615135678] [2024-11-17 07:19:01,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:01,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:01,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:01,124 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 07:19:01,126 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 07:19:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:19:01,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:01,703 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 07:19:01,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:01,876 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 07:19:01,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615135678] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:01,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:01,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-17 07:19:01,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163503055] [2024-11-17 07:19:01,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:01,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:19:01,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:01,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:19:01,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:19:01,879 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 07:19:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:03,175 INFO L93 Difference]: Finished difference Result 5598 states and 7721 transitions. [2024-11-17 07:19:03,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 07:19:03,175 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 07:19:03,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:03,184 INFO L225 Difference]: With dead ends: 5598 [2024-11-17 07:19:03,184 INFO L226 Difference]: Without dead ends: 2886 [2024-11-17 07:19:03,189 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 07:19:03,190 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 98 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 07:19:03,190 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 07:19:03,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-17 07:19:03,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2854. [2024-11-17 07:19:03,267 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 07:19:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3917 transitions. [2024-11-17 07:19:03,273 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3917 transitions. Word has length 143 [2024-11-17 07:19:03,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:03,273 INFO L471 AbstractCegarLoop]: Abstraction has 2854 states and 3917 transitions. [2024-11-17 07:19:03,274 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 07:19:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3917 transitions. [2024-11-17 07:19:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 07:19:03,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:03,275 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 07:19:03,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 07:19:03,475 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 07:19:03,476 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 07:19:03,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2000257206, now seen corresponding path program 2 times [2024-11-17 07:19:03,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:03,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82870947] [2024-11-17 07:19:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:03,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:19:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,169 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 07:19:04,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:04,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82870947] [2024-11-17 07:19:04,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82870947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:04,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124964824] [2024-11-17 07:19:04,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:19:04,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:04,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:04,173 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 07:19:04,174 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 07:19:04,535 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:19:04,536 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:04,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:19:04,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:04,552 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 07:19:04,565 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 07:19:04,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:04,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124964824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:04,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:04,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-17 07:19:04,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265426600] [2024-11-17 07:19:04,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:04,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:19:04,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:04,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:19:04,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:19:04,568 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 07:19:04,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:04,676 INFO L93 Difference]: Finished difference Result 2854 states and 3917 transitions. [2024-11-17 07:19:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:19:04,676 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 07:19:04,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:04,683 INFO L225 Difference]: With dead ends: 2854 [2024-11-17 07:19:04,683 INFO L226 Difference]: Without dead ends: 2853 [2024-11-17 07:19:04,684 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 07:19:04,685 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 07:19:04,685 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 07:19:04,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2024-11-17 07:19:04,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 2853. [2024-11-17 07:19:04,814 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 07:19:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 3911 transitions. [2024-11-17 07:19:04,821 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 3911 transitions. Word has length 147 [2024-11-17 07:19:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:04,822 INFO L471 AbstractCegarLoop]: Abstraction has 2853 states and 3911 transitions. [2024-11-17 07:19:04,822 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 07:19:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3911 transitions. [2024-11-17 07:19:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-17 07:19:04,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:04,824 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 07:19:04,842 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 07:19:05,025 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 07:19:05,025 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 07:19:05,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1878430521, now seen corresponding path program 1 times [2024-11-17 07:19:05,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:05,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327176298] [2024-11-17 07:19:05,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:05,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:05,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:05,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:19:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:05,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:05,717 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 07:19:05,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327176298] [2024-11-17 07:19:05,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327176298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810758483] [2024-11-17 07:19:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:05,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:05,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:05,720 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 07:19:05,722 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 07:19:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:06,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:19:06,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:06,416 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 07:19:06,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:06,668 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 07:19:06,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810758483] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:06,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:06,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-17 07:19:06,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425544300] [2024-11-17 07:19:06,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:06,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-17 07:19:06,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:06,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-17 07:19:06,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-17 07:19:06,672 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 07:19:08,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:08,548 INFO L93 Difference]: Finished difference Result 5689 states and 7835 transitions. [2024-11-17 07:19:08,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-17 07:19:08,549 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 07:19:08,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:08,557 INFO L225 Difference]: With dead ends: 5689 [2024-11-17 07:19:08,557 INFO L226 Difference]: Without dead ends: 2920 [2024-11-17 07:19:08,563 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 07:19:08,564 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 136 mSDsluCounter, 8151 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:08,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 8618 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:19:08,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2920 states. [2024-11-17 07:19:08,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2920 to 2898. [2024-11-17 07:19:08,659 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 07:19:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 3959 transitions. [2024-11-17 07:19:08,665 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 3959 transitions. Word has length 148 [2024-11-17 07:19:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:08,665 INFO L471 AbstractCegarLoop]: Abstraction has 2898 states and 3959 transitions. [2024-11-17 07:19:08,666 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 07:19:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3959 transitions. [2024-11-17 07:19:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-17 07:19:08,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:08,700 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 07:19:08,721 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 07:19:08,901 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 07:19:08,901 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 07:19:08,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:08,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1572527256, now seen corresponding path program 2 times [2024-11-17 07:19:08,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:08,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307236211] [2024-11-17 07:19:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:08,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:09,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:09,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:09,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:19:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 07:19:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:09,977 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 07:19:09,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:09,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307236211] [2024-11-17 07:19:09,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307236211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:09,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489022584] [2024-11-17 07:19:09,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:19:09,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:09,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:09,984 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 07:19:09,985 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 07:19:10,814 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:19:10,814 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:10,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:19:10,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:11,103 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 07:19:11,103 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:11,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489022584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:11,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:11,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2024-11-17 07:19:11,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785618129] [2024-11-17 07:19:11,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:11,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:19:11,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:19:11,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:19:11,106 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 07:19:11,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:11,594 INFO L93 Difference]: Finished difference Result 5782 states and 7919 transitions. [2024-11-17 07:19:11,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:19:11,595 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 07:19:11,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:11,603 INFO L225 Difference]: With dead ends: 5782 [2024-11-17 07:19:11,603 INFO L226 Difference]: Without dead ends: 2933 [2024-11-17 07:19:11,608 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 07:19:11,609 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 07:19:11,609 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 07:19:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2024-11-17 07:19:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2926. [2024-11-17 07:19:11,713 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 07:19:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3987 transitions. [2024-11-17 07:19:11,719 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3987 transitions. Word has length 157 [2024-11-17 07:19:11,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:11,720 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3987 transitions. [2024-11-17 07:19:11,721 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 07:19:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3987 transitions. [2024-11-17 07:19:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 07:19:11,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:11,723 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 07:19:11,746 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 07:19:11,924 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 07:19:11,924 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 07:19:11,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:11,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1273018541, now seen corresponding path program 1 times [2024-11-17 07:19:11,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:11,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699026723] [2024-11-17 07:19:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:11,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:12,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:19:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:12,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:12,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:19:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:19:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 07:19:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:12,475 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 07:19:12,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:12,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699026723] [2024-11-17 07:19:12,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699026723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:12,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:12,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:19:12,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236690308] [2024-11-17 07:19:12,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:12,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:19:12,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:12,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:19:12,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:19:12,478 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 07:19:13,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:13,164 INFO L93 Difference]: Finished difference Result 5821 states and 7950 transitions. [2024-11-17 07:19:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:19:13,165 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 07:19:13,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:13,173 INFO L225 Difference]: With dead ends: 5821 [2024-11-17 07:19:13,173 INFO L226 Difference]: Without dead ends: 2947 [2024-11-17 07:19:13,177 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 07:19:13,178 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:13,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2897 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:19:13,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-11-17 07:19:13,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-11-17 07:19:13,263 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 07:19:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4008 transitions. [2024-11-17 07:19:13,270 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4008 transitions. Word has length 159 [2024-11-17 07:19:13,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:13,271 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4008 transitions. [2024-11-17 07:19:13,271 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 07:19:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4008 transitions. [2024-11-17 07:19:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 07:19:13,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:13,273 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 07:19:13,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 07:19:13,273 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 07:19:13,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1776517004, now seen corresponding path program 1 times [2024-11-17 07:19:13,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:13,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399350101] [2024-11-17 07:19:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:19:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:19:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:19:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 07:19:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,719 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 07:19:13,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:13,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399350101] [2024-11-17 07:19:13,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399350101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:13,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:13,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 07:19:13,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605914411] [2024-11-17 07:19:13,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:13,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:19:13,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:13,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:19:13,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:19:13,721 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 07:19:14,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:14,483 INFO L93 Difference]: Finished difference Result 5863 states and 7994 transitions. [2024-11-17 07:19:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:19:14,483 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 07:19:14,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:14,490 INFO L225 Difference]: With dead ends: 5863 [2024-11-17 07:19:14,491 INFO L226 Difference]: Without dead ends: 2982 [2024-11-17 07:19:14,495 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 07:19:14,496 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 61 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:14,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 3270 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:19:14,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-17 07:19:14,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2947. [2024-11-17 07:19:14,590 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 07:19:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4008 transitions. [2024-11-17 07:19:14,597 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4008 transitions. Word has length 159 [2024-11-17 07:19:14,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:14,597 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4008 transitions. [2024-11-17 07:19:14,597 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 07:19:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4008 transitions. [2024-11-17 07:19:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 07:19:14,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:14,599 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 07:19:14,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-17 07:19:14,599 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 07:19:14,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:14,600 INFO L85 PathProgramCache]: Analyzing trace with hash 257201538, now seen corresponding path program 1 times [2024-11-17 07:19:14,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759509189] [2024-11-17 07:19:14,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:14,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:19:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:19:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:19:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:19:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,141 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 07:19:15,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:15,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759509189] [2024-11-17 07:19:15,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759509189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:15,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:15,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:19:15,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714828053] [2024-11-17 07:19:15,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:15,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:19:15,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:15,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:19:15,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:19:15,145 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 07:19:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:15,841 INFO L93 Difference]: Finished difference Result 5893 states and 8028 transitions. [2024-11-17 07:19:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:19:15,841 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 07:19:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:15,848 INFO L225 Difference]: With dead ends: 5893 [2024-11-17 07:19:15,849 INFO L226 Difference]: Without dead ends: 3017 [2024-11-17 07:19:15,853 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 07:19:15,854 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 07:19:15,854 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 07:19:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2024-11-17 07:19:15,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2996. [2024-11-17 07:19:15,945 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 07:19:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4071 transitions. [2024-11-17 07:19:15,951 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4071 transitions. Word has length 160 [2024-11-17 07:19:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:15,952 INFO L471 AbstractCegarLoop]: Abstraction has 2996 states and 4071 transitions. [2024-11-17 07:19:15,952 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 07:19:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4071 transitions. [2024-11-17 07:19:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 07:19:15,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:15,953 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 07:19:15,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-17 07:19:15,954 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 07:19:15,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash -100880788, now seen corresponding path program 1 times [2024-11-17 07:19:15,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:15,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609802012] [2024-11-17 07:19:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:19:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:19:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:19:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:19:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,064 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 07:19:17,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:17,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609802012] [2024-11-17 07:19:17,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609802012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:17,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318515172] [2024-11-17 07:19:17,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:17,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:17,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:17,067 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 07:19:17,068 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 07:19:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 07:19:17,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:17,836 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 07:19:17,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:17,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318515172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:17,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:17,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2024-11-17 07:19:17,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410990565] [2024-11-17 07:19:17,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:17,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:19:17,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:17,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:19:17,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:19:17,838 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 07:19:18,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:18,483 INFO L93 Difference]: Finished difference Result 5984 states and 8145 transitions. [2024-11-17 07:19:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:19:18,484 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 07:19:18,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:18,492 INFO L225 Difference]: With dead ends: 5984 [2024-11-17 07:19:18,492 INFO L226 Difference]: Without dead ends: 3066 [2024-11-17 07:19:18,495 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 07:19:18,496 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 07:19:18,496 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 07:19:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2024-11-17 07:19:18,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3031. [2024-11-17 07:19:18,646 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 07:19:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 4113 transitions. [2024-11-17 07:19:18,654 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 4113 transitions. Word has length 160 [2024-11-17 07:19:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:18,655 INFO L471 AbstractCegarLoop]: Abstraction has 3031 states and 4113 transitions. [2024-11-17 07:19:18,655 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 07:19:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 4113 transitions. [2024-11-17 07:19:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 07:19:18,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:18,657 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 07:19:18,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 07:19:18,858 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 07:19:18,858 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 07:19:18,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:18,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1347374035, now seen corresponding path program 1 times [2024-11-17 07:19:18,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:18,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644809145] [2024-11-17 07:19:18,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:18,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:19:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:19:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,467 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 07:19:19,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:19,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644809145] [2024-11-17 07:19:19,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644809145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:19,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:19,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-17 07:19:19,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100188861] [2024-11-17 07:19:19,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:19,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:19:19,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:19:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:19:19,469 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 07:19:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:20,385 INFO L93 Difference]: Finished difference Result 6047 states and 8229 transitions. [2024-11-17 07:19:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 07:19:20,387 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 07:19:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:20,396 INFO L225 Difference]: With dead ends: 6047 [2024-11-17 07:19:20,396 INFO L226 Difference]: Without dead ends: 3094 [2024-11-17 07:19:20,401 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 07:19:20,402 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 72 mSDsluCounter, 4070 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:20,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 4540 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:19:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-11-17 07:19:20,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3052. [2024-11-17 07:19:20,491 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 07:19:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4134 transitions. [2024-11-17 07:19:20,498 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4134 transitions. Word has length 161 [2024-11-17 07:19:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:20,499 INFO L471 AbstractCegarLoop]: Abstraction has 3052 states and 4134 transitions. [2024-11-17 07:19:20,502 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 07:19:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4134 transitions. [2024-11-17 07:19:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 07:19:20,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:20,503 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 07:19:20,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 07:19:20,504 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 07:19:20,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1163243479, now seen corresponding path program 1 times [2024-11-17 07:19:20,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:20,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060002040] [2024-11-17 07:19:20,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:19:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:19:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,743 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 07:19:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:21,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060002040] [2024-11-17 07:19:21,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060002040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:21,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364211105] [2024-11-17 07:19:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:21,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:21,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:21,746 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 07:19:21,747 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 07:19:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 07:19:22,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:22,955 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 07:19:22,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:23,351 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 07:19:23,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364211105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:23,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:23,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 10] total 40 [2024-11-17 07:19:23,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174746007] [2024-11-17 07:19:23,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:23,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-17 07:19:23,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:23,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-17 07:19:23,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:19:23,355 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 07:19:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:27,100 INFO L93 Difference]: Finished difference Result 6066 states and 8266 transitions. [2024-11-17 07:19:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-17 07:19:27,101 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 07:19:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:27,110 INFO L225 Difference]: With dead ends: 6066 [2024-11-17 07:19:27,110 INFO L226 Difference]: Without dead ends: 3132 [2024-11-17 07:19:27,116 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 07:19:27,117 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 216 mSDsluCounter, 12115 mSDsCounter, 0 mSdLazyCounter, 2671 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:27,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 12592 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2671 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:19:27,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states. [2024-11-17 07:19:27,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 3098. [2024-11-17 07:19:27,226 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 07:19:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4179 transitions. [2024-11-17 07:19:27,233 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4179 transitions. Word has length 161 [2024-11-17 07:19:27,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:27,233 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4179 transitions. [2024-11-17 07:19:27,233 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 07:19:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4179 transitions. [2024-11-17 07:19:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:19:27,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:27,235 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 07:19:27,257 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 07:19:27,436 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 07:19:27,436 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 07:19:27,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:27,437 INFO L85 PathProgramCache]: Analyzing trace with hash -59696153, now seen corresponding path program 2 times [2024-11-17 07:19:27,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:27,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316756792] [2024-11-17 07:19:27,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:28,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:28,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:28,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:19:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:28,815 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 07:19:28,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:28,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316756792] [2024-11-17 07:19:28,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316756792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:28,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748642864] [2024-11-17 07:19:28,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:19:28,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:28,821 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 07:19:28,822 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 07:19:29,756 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:19:29,756 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:29,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-17 07:19:29,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:30,147 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 07:19:30,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:30,815 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 07:19:30,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748642864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:30,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:30,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-11-17 07:19:30,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496726591] [2024-11-17 07:19:30,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:30,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 07:19:30,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:30,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 07:19:30,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 07:19:30,818 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 07:19:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:35,915 INFO L93 Difference]: Finished difference Result 6176 states and 8397 transitions. [2024-11-17 07:19:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-17 07:19:35,915 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 07:19:35,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:35,923 INFO L225 Difference]: With dead ends: 6176 [2024-11-17 07:19:35,923 INFO L226 Difference]: Without dead ends: 3197 [2024-11-17 07:19:35,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2172 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1757, Invalid=7945, Unknown=0, NotChecked=0, Total=9702 [2024-11-17 07:19:35,930 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 07:19:35,931 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 07:19:35,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2024-11-17 07:19:36,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3176. [2024-11-17 07:19:36,073 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 07:19:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4257 transitions. [2024-11-17 07:19:36,081 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4257 transitions. Word has length 169 [2024-11-17 07:19:36,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:36,082 INFO L471 AbstractCegarLoop]: Abstraction has 3176 states and 4257 transitions. [2024-11-17 07:19:36,082 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 07:19:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4257 transitions. [2024-11-17 07:19:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:19:36,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:36,084 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 07:19:36,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 07:19:36,285 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 07:19:36,285 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 07:19:36,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:36,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1924530682, now seen corresponding path program 3 times [2024-11-17 07:19:36,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:36,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500357738] [2024-11-17 07:19:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:37,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 07:19:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 07:19:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:38,673 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 07:19:38,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:38,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500357738] [2024-11-17 07:19:38,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500357738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746025400] [2024-11-17 07:19:38,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:19:38,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:38,676 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 07:19:38,677 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 07:19:40,142 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 07:19:40,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:40,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 07:19:40,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:40,807 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 07:19:40,807 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:40,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746025400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:40,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:40,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [31] total 40 [2024-11-17 07:19:40,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122075736] [2024-11-17 07:19:40,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:40,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:19:40,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:40,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:19:40,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:19:40,810 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 07:19:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:41,632 INFO L93 Difference]: Finished difference Result 6271 states and 8417 transitions. [2024-11-17 07:19:41,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:19:41,633 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 07:19:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:41,640 INFO L225 Difference]: With dead ends: 6271 [2024-11-17 07:19:41,640 INFO L226 Difference]: Without dead ends: 3176 [2024-11-17 07:19:41,645 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 07:19:41,646 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 07:19:41,646 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 07:19:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2024-11-17 07:19:41,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3162. [2024-11-17 07:19:41,836 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 07:19:41,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4236 transitions. [2024-11-17 07:19:41,845 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4236 transitions. Word has length 182 [2024-11-17 07:19:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:41,845 INFO L471 AbstractCegarLoop]: Abstraction has 3162 states and 4236 transitions. [2024-11-17 07:19:41,846 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 07:19:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4236 transitions. [2024-11-17 07:19:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:19:41,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:41,847 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 07:19:41,870 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 07:19:42,047 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 07:19:42,048 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 07:19:42,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2085148838, now seen corresponding path program 1 times [2024-11-17 07:19:42,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:42,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277132749] [2024-11-17 07:19:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:42,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:43,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:43,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:43,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat