./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.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_test6-2.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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:18:37,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:18:37,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:18:37,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:18:37,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:18:37,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:18:37,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:18:37,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:18:37,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:18:37,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:18:37,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:18:37,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:18:37,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:18:37,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:18:37,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:18:37,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:18:37,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:18:37,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:18:37,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:18:37,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:18:37,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:18:37,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:18:37,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:18:37,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:18:37,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:18:37,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:18:37,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:18:37,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:18:37,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:18:37,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:18:37,926 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:18:37,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:18:37,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:18:37,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:18:37,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:18:37,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:18:37,929 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:18:37,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:18:37,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2024-11-17 07:18:38,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:18:38,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:18:38,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:18:38,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:18:38,120 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:18:38,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2024-11-17 07:18:39,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:18:39,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:18:39,550 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2024-11-17 07:18:39,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88cbb3c1f/4ba795a3ff6c4eb194a36be80f26b2be/FLAGf80a75d4f [2024-11-17 07:18:39,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88cbb3c1f/4ba795a3ff6c4eb194a36be80f26b2be [2024-11-17 07:18:39,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:18:39,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:18:39,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:18:39,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:18:39,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:18:39,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:18:39" (1/1) ... [2024-11-17 07:18:39,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bd46a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:39, skipping insertion in model container [2024-11-17 07:18:39,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:18:39" (1/1) ... [2024-11-17 07:18:39,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:18:40,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:18:40,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:18:40,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:18:40,281 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:18:40,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40 WrapperNode [2024-11-17 07:18:40,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:18:40,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:18:40,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:18:40,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:18:40,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,374 INFO L138 Inliner]: procedures = 282, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1617 [2024-11-17 07:18:40,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:18:40,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:18:40,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:18:40,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:18:40,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,477 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 270, 34]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 57, 4]. [2024-11-17 07:18:40,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:18:40,543 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:18:40,543 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:18:40,543 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:18:40,544 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (1/1) ... [2024-11-17 07:18:40,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:18:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:40,573 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 07:18:40,575 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 07:18:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:18:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:18:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-17 07:18:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-17 07:18:40,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:18:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:18:40,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:18:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-17 07:18:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-17 07:18:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:18:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:18:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:18:40,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 07:18:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-17 07:18:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-17 07:18:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:18:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:18:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:18:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 07:18:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:18:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:18:40,813 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:18:40,815 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:18:40,863 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2024-11-17 07:18:41,840 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2024-11-17 07:18:41,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2024-11-17 07:18:41,842 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 07:18:41,950 INFO L? ?]: Removed 375 outVars from TransFormulas that were not future-live. [2024-11-17 07:18:41,951 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:18:42,001 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:18:42,002 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:18:42,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:18:42 BoogieIcfgContainer [2024-11-17 07:18:42,002 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:18:42,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:18:42,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:18:42,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:18:42,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:18:39" (1/3) ... [2024-11-17 07:18:42,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2519c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:18:42, skipping insertion in model container [2024-11-17 07:18:42,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:18:40" (2/3) ... [2024-11-17 07:18:42,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2519c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:18:42, skipping insertion in model container [2024-11-17 07:18:42,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:18:42" (3/3) ... [2024-11-17 07:18:42,010 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-2.i [2024-11-17 07:18:42,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:18:42,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-17 07:18:42,074 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:18:42,078 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;@6e5ac459, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:18:42,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-17 07:18:42,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 514 states, 474 states have (on average 1.5928270042194093) internal successors, (755), 492 states have internal predecessors, (755), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 07:18:42,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:18:42,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:42,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:18:42,088 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 07:18:42,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:42,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1611829372, now seen corresponding path program 1 times [2024-11-17 07:18:42,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:42,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216418192] [2024-11-17 07:18:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:42,255 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 07:18:42,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:42,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216418192] [2024-11-17 07:18:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216418192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:42,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:42,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:18:42,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023861761] [2024-11-17 07:18:42,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:42,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:18:42,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:42,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:18:42,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:18:42,282 INFO L87 Difference]: Start difference. First operand has 514 states, 474 states have (on average 1.5928270042194093) internal successors, (755), 492 states have internal predecessors, (755), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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 07:18:42,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:42,420 INFO L93 Difference]: Finished difference Result 1021 states and 1595 transitions. [2024-11-17 07:18:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:18:42,425 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 07:18:42,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:42,437 INFO L225 Difference]: With dead ends: 1021 [2024-11-17 07:18:42,438 INFO L226 Difference]: Without dead ends: 500 [2024-11-17 07:18:42,443 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 07:18:42,447 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:42,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 665 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:42,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-17 07:18:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2024-11-17 07:18:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 467 states have (on average 1.4261241970021414) internal successors, (666), 481 states have internal predecessors, (666), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:18:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 696 transitions. [2024-11-17 07:18:42,505 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 696 transitions. Word has length 8 [2024-11-17 07:18:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:42,505 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 696 transitions. [2024-11-17 07:18:42,506 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 07:18:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 696 transitions. [2024-11-17 07:18:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:18:42,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:42,506 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:18:42,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:18:42,507 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 07:18:42,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1611830333, now seen corresponding path program 1 times [2024-11-17 07:18:42,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:42,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925201139] [2024-11-17 07:18:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:18:42,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419233795] [2024-11-17 07:18:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:42,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:42,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:42,557 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 07:18:42,558 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 07:18:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:42,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:18:42,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:42,742 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 07:18:42,772 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 07:18:42,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:42,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:42,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925201139] [2024-11-17 07:18:42,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:18:42,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419233795] [2024-11-17 07:18:42,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419233795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:42,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:42,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:42,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801467689] [2024-11-17 07:18:42,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:42,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:42,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:42,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:42,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:42,779 INFO L87 Difference]: Start difference. First operand 500 states and 696 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 07:18:43,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:43,041 INFO L93 Difference]: Finished difference Result 963 states and 1356 transitions. [2024-11-17 07:18:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:43,042 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 07:18:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:43,045 INFO L225 Difference]: With dead ends: 963 [2024-11-17 07:18:43,045 INFO L226 Difference]: Without dead ends: 962 [2024-11-17 07:18:43,045 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 07:18:43,046 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 626 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:43,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 1886 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:18:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-17 07:18:43,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 506. [2024-11-17 07:18:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 473 states have (on average 1.4228329809725158) internal successors, (673), 487 states have internal predecessors, (673), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:18:43,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 703 transitions. [2024-11-17 07:18:43,083 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 703 transitions. Word has length 8 [2024-11-17 07:18:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:43,084 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 703 transitions. [2024-11-17 07:18:43,084 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 07:18:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 703 transitions. [2024-11-17 07:18:43,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 07:18:43,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:43,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:18:43,100 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 07:18:43,285 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 07:18:43,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:43,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1572866446, now seen corresponding path program 1 times [2024-11-17 07:18:43,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:43,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817530344] [2024-11-17 07:18:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:18:43,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568821170] [2024-11-17 07:18:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:43,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:43,324 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 07:18:43,326 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 07:18:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:43,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:18:43,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:43,466 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 07:18:43,484 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 07:18:43,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:43,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:43,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817530344] [2024-11-17 07:18:43,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:18:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568821170] [2024-11-17 07:18:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568821170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:43,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661184711] [2024-11-17 07:18:43,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:43,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:43,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:43,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:43,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:43,486 INFO L87 Difference]: Start difference. First operand 506 states and 703 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 07:18:43,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:43,709 INFO L93 Difference]: Finished difference Result 962 states and 1355 transitions. [2024-11-17 07:18:43,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:43,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-17 07:18:43,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:43,713 INFO L225 Difference]: With dead ends: 962 [2024-11-17 07:18:43,713 INFO L226 Difference]: Without dead ends: 961 [2024-11-17 07:18:43,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 07:18:43,715 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 624 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:43,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1878 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:18:43,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-17 07:18:43,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 507. [2024-11-17 07:18:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 474 states have (on average 1.4219409282700421) internal successors, (674), 488 states have internal predecessors, (674), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:18:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 704 transitions. [2024-11-17 07:18:43,730 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 704 transitions. Word has length 9 [2024-11-17 07:18:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:43,730 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 704 transitions. [2024-11-17 07:18:43,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 07:18:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 704 transitions. [2024-11-17 07:18:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 07:18:43,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:43,732 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 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 07:18:43,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 07:18:43,932 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,SelfDestructingSolverStorable2 [2024-11-17 07:18:43,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:43,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:43,934 INFO L85 PathProgramCache]: Analyzing trace with hash 837052063, now seen corresponding path program 1 times [2024-11-17 07:18:43,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:43,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68593664] [2024-11-17 07:18:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-17 07:18:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-17 07:18:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 07:18:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:18:44,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:44,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68593664] [2024-11-17 07:18:44,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68593664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:44,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:44,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:18:44,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990107825] [2024-11-17 07:18:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:44,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:44,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:44,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:44,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:44,133 INFO L87 Difference]: Start difference. First operand 507 states and 704 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 07:18:44,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:44,333 INFO L93 Difference]: Finished difference Result 1221 states and 1717 transitions. [2024-11-17 07:18:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:44,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2024-11-17 07:18:44,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:44,337 INFO L225 Difference]: With dead ends: 1221 [2024-11-17 07:18:44,337 INFO L226 Difference]: Without dead ends: 960 [2024-11-17 07:18:44,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 07:18:44,339 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 626 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:44,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 2048 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:18:44,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-17 07:18:44,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 507. [2024-11-17 07:18:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 474 states have (on average 1.419831223628692) internal successors, (673), 488 states have internal predecessors, (673), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:18:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 703 transitions. [2024-11-17 07:18:44,357 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 703 transitions. Word has length 36 [2024-11-17 07:18:44,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:44,358 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 703 transitions. [2024-11-17 07:18:44,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-17 07:18:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 703 transitions. [2024-11-17 07:18:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:18:44,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:44,361 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 07:18:44,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:18:44,362 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:44,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1792125285, now seen corresponding path program 1 times [2024-11-17 07:18:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:44,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485548665] [2024-11-17 07:18:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:44,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,554 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 07:18:44,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:44,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485548665] [2024-11-17 07:18:44,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485548665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:44,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:44,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:18:44,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262978577] [2024-11-17 07:18:44,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:44,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:44,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:44,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:44,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:44,558 INFO L87 Difference]: Start difference. First operand 507 states and 703 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 07:18:44,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:44,680 INFO L93 Difference]: Finished difference Result 963 states and 1331 transitions. [2024-11-17 07:18:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:44,681 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 07:18:44,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:44,682 INFO L225 Difference]: With dead ends: 963 [2024-11-17 07:18:44,682 INFO L226 Difference]: Without dead ends: 465 [2024-11-17 07:18:44,683 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 07:18:44,683 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 33 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:44,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1657 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:44,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-17 07:18:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2024-11-17 07:18:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 432 states have (on average 1.3796296296296295) internal successors, (596), 446 states have internal predecessors, (596), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:18:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 626 transitions. [2024-11-17 07:18:44,692 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 626 transitions. Word has length 67 [2024-11-17 07:18:44,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:44,693 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 626 transitions. [2024-11-17 07:18:44,693 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 07:18:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 626 transitions. [2024-11-17 07:18:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:18:44,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:44,696 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 07:18:44,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:18:44,697 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:44,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:44,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1952162002, now seen corresponding path program 1 times [2024-11-17 07:18:44,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:44,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300227986] [2024-11-17 07:18:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:44,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:44,821 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 07:18:44,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:44,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300227986] [2024-11-17 07:18:44,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300227986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:44,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:44,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:18:44,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931847852] [2024-11-17 07:18:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:44,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:44,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:44,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:44,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:44,825 INFO L87 Difference]: Start difference. First operand 465 states and 626 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 07:18:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:44,917 INFO L93 Difference]: Finished difference Result 915 states and 1237 transitions. [2024-11-17 07:18:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:44,918 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 07:18:44,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:44,919 INFO L225 Difference]: With dead ends: 915 [2024-11-17 07:18:44,920 INFO L226 Difference]: Without dead ends: 459 [2024-11-17 07:18:44,921 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 07:18:44,921 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 8 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:44,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1657 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:44,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-17 07:18:44,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-17 07:18:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 426 states have (on average 1.375586854460094) internal successors, (586), 440 states have internal predecessors, (586), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:18:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 616 transitions. [2024-11-17 07:18:44,933 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 616 transitions. Word has length 67 [2024-11-17 07:18:44,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:44,934 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 616 transitions. [2024-11-17 07:18:44,934 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 07:18:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 616 transitions. [2024-11-17 07:18:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:18:44,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:44,936 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 07:18:44,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:18:44,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:44,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1844765909, now seen corresponding path program 1 times [2024-11-17 07:18:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:44,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183828334] [2024-11-17 07:18:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,069 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 07:18:45,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:45,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183828334] [2024-11-17 07:18:45,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183828334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:45,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:45,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:18:45,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721905097] [2024-11-17 07:18:45,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:45,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:45,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:45,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:45,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:45,072 INFO L87 Difference]: Start difference. First operand 459 states and 616 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 07:18:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:45,195 INFO L93 Difference]: Finished difference Result 837 states and 1132 transitions. [2024-11-17 07:18:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:18:45,196 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 07:18:45,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:45,199 INFO L225 Difference]: With dead ends: 837 [2024-11-17 07:18:45,199 INFO L226 Difference]: Without dead ends: 833 [2024-11-17 07:18:45,200 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 07:18:45,200 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 445 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:45,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 1700 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-17 07:18:45,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 823. [2024-11-17 07:18:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 782 states have (on average 1.3836317135549872) internal successors, (1082), 798 states have internal predecessors, (1082), 22 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (22), 18 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-17 07:18:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1126 transitions. [2024-11-17 07:18:45,217 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1126 transitions. Word has length 67 [2024-11-17 07:18:45,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:45,217 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1126 transitions. [2024-11-17 07:18:45,218 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 07:18:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1126 transitions. [2024-11-17 07:18:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 07:18:45,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:45,222 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 07:18:45,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:18:45,222 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:45,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:45,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1387551099, now seen corresponding path program 1 times [2024-11-17 07:18:45,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:45,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948990688] [2024-11-17 07:18:45,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:45,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,379 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 07:18:45,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:45,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948990688] [2024-11-17 07:18:45,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948990688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:45,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:45,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:45,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985651823] [2024-11-17 07:18:45,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:45,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:18:45,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:45,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:18:45,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:18:45,383 INFO L87 Difference]: Start difference. First operand 823 states and 1126 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 07:18:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:45,579 INFO L93 Difference]: Finished difference Result 1105 states and 1510 transitions. [2024-11-17 07:18:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:45,579 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 07:18:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:45,583 INFO L225 Difference]: With dead ends: 1105 [2024-11-17 07:18:45,583 INFO L226 Difference]: Without dead ends: 1103 [2024-11-17 07:18:45,583 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 07:18:45,585 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 507 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:45,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1613 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:18:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-17 07:18:45,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1092. [2024-11-17 07:18:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1038 states have (on average 1.3901734104046244) internal successors, (1443), 1055 states have internal predecessors, (1443), 32 states have call successors, (32), 10 states have call predecessors, (32), 8 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:18:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1507 transitions. [2024-11-17 07:18:45,609 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1507 transitions. Word has length 78 [2024-11-17 07:18:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:45,610 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1507 transitions. [2024-11-17 07:18:45,610 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 07:18:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1507 transitions. [2024-11-17 07:18:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:18:45,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:45,611 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 07:18:45,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:18:45,611 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:45,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:45,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1763230356, now seen corresponding path program 1 times [2024-11-17 07:18:45,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:45,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071784639] [2024-11-17 07:18:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:45,742 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 07:18:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:45,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071784639] [2024-11-17 07:18:45,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071784639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:45,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:45,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:18:45,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489880894] [2024-11-17 07:18:45,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:45,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:18:45,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:45,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:18:45,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:18:45,745 INFO L87 Difference]: Start difference. First operand 1092 states and 1507 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 07:18:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:45,909 INFO L93 Difference]: Finished difference Result 1856 states and 2553 transitions. [2024-11-17 07:18:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:18:45,910 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 07:18:45,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:45,912 INFO L225 Difference]: With dead ends: 1856 [2024-11-17 07:18:45,912 INFO L226 Difference]: Without dead ends: 773 [2024-11-17 07:18:45,914 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 07:18:45,916 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 343 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:45,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1320 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:45,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-17 07:18:45,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 734. [2024-11-17 07:18:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 693 states have (on average 1.3852813852813852) internal successors, (960), 708 states have internal predecessors, (960), 21 states have call successors, (21), 7 states have call predecessors, (21), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-17 07:18:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1002 transitions. [2024-11-17 07:18:45,931 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1002 transitions. Word has length 84 [2024-11-17 07:18:45,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:45,932 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1002 transitions. [2024-11-17 07:18:45,932 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 07:18:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1002 transitions. [2024-11-17 07:18:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 07:18:45,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:45,935 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 07:18:45,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 07:18:45,935 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:45,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:45,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1921704331, now seen corresponding path program 1 times [2024-11-17 07:18:45,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:45,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114335338] [2024-11-17 07:18:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:45,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:46,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:46,204 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 07:18:46,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:46,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114335338] [2024-11-17 07:18:46,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114335338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:46,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375225542] [2024-11-17 07:18:46,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:46,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:46,207 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 07:18:46,207 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 07:18:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:46,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 07:18:46,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:46,512 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 07:18:46,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:46,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375225542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:46,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:46,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-17 07:18:46,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988003057] [2024-11-17 07:18:46,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:46,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:18:46,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:46,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:18:46,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:18:46,514 INFO L87 Difference]: Start difference. First operand 734 states and 1002 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 07:18:46,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:46,673 INFO L93 Difference]: Finished difference Result 1282 states and 1770 transitions. [2024-11-17 07:18:46,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:18:46,674 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 07:18:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:46,679 INFO L225 Difference]: With dead ends: 1282 [2024-11-17 07:18:46,679 INFO L226 Difference]: Without dead ends: 1281 [2024-11-17 07:18:46,679 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 07:18:46,680 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 569 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:46,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 2175 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:46,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2024-11-17 07:18:46,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1228. [2024-11-17 07:18:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1178 states have (on average 1.4023769100169778) internal successors, (1652), 1196 states have internal predecessors, (1652), 29 states have call successors, (29), 9 states have call predecessors, (29), 7 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-17 07:18:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1710 transitions. [2024-11-17 07:18:46,712 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1710 transitions. Word has length 88 [2024-11-17 07:18:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:46,712 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1710 transitions. [2024-11-17 07:18:46,712 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 07:18:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1710 transitions. [2024-11-17 07:18:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 07:18:46,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:46,713 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 07:18:46,726 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 07:18:46,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:46,913 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:46,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:46,914 INFO L85 PathProgramCache]: Analyzing trace with hash -556707904, now seen corresponding path program 1 times [2024-11-17 07:18:46,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:46,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618792224] [2024-11-17 07:18:46,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:46,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:47,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:47,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:47,170 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 07:18:47,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:47,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618792224] [2024-11-17 07:18:47,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618792224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:47,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471542785] [2024-11-17 07:18:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:47,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:47,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:47,172 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 07:18:47,174 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 07:18:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:47,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:18:47,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:47,532 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 07:18:47,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:18:47,724 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 07:18:47,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471542785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:18:47,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:18:47,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-17 07:18:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235621936] [2024-11-17 07:18:47,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:18:47,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 07:18:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 07:18:47,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:18:47,727 INFO L87 Difference]: Start difference. First operand 1228 states and 1710 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 07:18:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:49,706 INFO L93 Difference]: Finished difference Result 4666 states and 6555 transitions. [2024-11-17 07:18:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 07:18:49,706 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 07:18:49,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:49,720 INFO L225 Difference]: With dead ends: 4666 [2024-11-17 07:18:49,721 INFO L226 Difference]: Without dead ends: 4664 [2024-11-17 07:18:49,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=565, Invalid=1415, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 07:18:49,724 INFO L432 NwaCegarLoop]: 973 mSDtfsCounter, 4903 mSDsluCounter, 8691 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4925 SdHoareTripleChecker+Valid, 9664 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:49,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4925 Valid, 9664 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:18:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2024-11-17 07:18:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 2983. [2024-11-17 07:18:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2869 states have (on average 1.3858487277797142) internal successors, (3976), 2889 states have internal predecessors, (3976), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-11-17 07:18:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4158 transitions. [2024-11-17 07:18:49,797 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4158 transitions. Word has length 89 [2024-11-17 07:18:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:49,799 INFO L471 AbstractCegarLoop]: Abstraction has 2983 states and 4158 transitions. [2024-11-17 07:18:49,799 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 07:18:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4158 transitions. [2024-11-17 07:18:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:18:49,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:49,800 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 07:18:49,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:18:50,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:50,000 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:50,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:50,001 INFO L85 PathProgramCache]: Analyzing trace with hash 416675653, now seen corresponding path program 1 times [2024-11-17 07:18:50,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:50,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350885999] [2024-11-17 07:18:50,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:50,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,293 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 07:18:50,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:50,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350885999] [2024-11-17 07:18:50,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350885999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:50,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578999460] [2024-11-17 07:18:50,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:50,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:50,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:50,295 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 07:18:50,296 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 07:18:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:50,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:18:50,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:50,669 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 07:18:50,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:18:50,853 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 07:18:50,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578999460] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:50,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 07:18:50,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-17 07:18:50,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465106045] [2024-11-17 07:18:50,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:50,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:18:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:50,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:18:50,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:18:50,854 INFO L87 Difference]: Start difference. First operand 2983 states and 4158 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 07:18:51,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:51,013 INFO L93 Difference]: Finished difference Result 2983 states and 4158 transitions. [2024-11-17 07:18:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:18:51,013 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 07:18:51,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:51,022 INFO L225 Difference]: With dead ends: 2983 [2024-11-17 07:18:51,022 INFO L226 Difference]: Without dead ends: 2982 [2024-11-17 07:18:51,022 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 07:18:51,023 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 1675 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:51,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 569 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:18:51,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-17 07:18:51,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2982. [2024-11-17 07:18:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2869 states have (on average 1.3841059602649006) internal successors, (3971), 2888 states have internal predecessors, (3971), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-11-17 07:18:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 4153 transitions. [2024-11-17 07:18:51,107 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 4153 transitions. Word has length 99 [2024-11-17 07:18:51,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:51,107 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 4153 transitions. [2024-11-17 07:18:51,107 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 07:18:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 4153 transitions. [2024-11-17 07:18:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 07:18:51,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:51,109 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 07:18:51,122 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 07:18:51,309 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,SelfDestructingSolverStorable11 [2024-11-17 07:18:51,310 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:51,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash 32043355, now seen corresponding path program 1 times [2024-11-17 07:18:51,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:51,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910968334] [2024-11-17 07:18:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:51,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:51,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:51,542 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 07:18:51,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910968334] [2024-11-17 07:18:51,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910968334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499736770] [2024-11-17 07:18:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:51,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:51,544 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 07:18:51,545 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 07:18:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:51,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:18:51,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:51,874 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 07:18:51,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:18:52,044 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 07:18:52,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499736770] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:18:52,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:18:52,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-17 07:18:52,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055608371] [2024-11-17 07:18:52,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:18:52,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:18:52,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:52,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:18:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:18:52,046 INFO L87 Difference]: Start difference. First operand 2982 states and 4153 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 07:18:52,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:52,948 INFO L93 Difference]: Finished difference Result 6004 states and 8371 transitions. [2024-11-17 07:18:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 07:18:52,948 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 07:18:52,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:52,964 INFO L225 Difference]: With dead ends: 6004 [2024-11-17 07:18:52,964 INFO L226 Difference]: Without dead ends: 6003 [2024-11-17 07:18:52,966 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 07:18:52,966 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 1944 mSDsluCounter, 4926 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 5453 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:52,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 5453 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:18:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6003 states. [2024-11-17 07:18:53,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6003 to 5556. [2024-11-17 07:18:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5556 states, 5334 states have (on average 1.3845144356955381) internal successors, (7385), 5358 states have internal predecessors, (7385), 159 states have call successors, (159), 56 states have call predecessors, (159), 50 states have return successors, (197), 141 states have call predecessors, (197), 159 states have call successors, (197) [2024-11-17 07:18:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 7741 transitions. [2024-11-17 07:18:53,109 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 7741 transitions. Word has length 100 [2024-11-17 07:18:53,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:53,109 INFO L471 AbstractCegarLoop]: Abstraction has 5556 states and 7741 transitions. [2024-11-17 07:18:53,109 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 07:18:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 7741 transitions. [2024-11-17 07:18:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 07:18:53,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:53,111 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 07:18:53,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:18:53,314 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 07:18:53,315 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:18:53,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:53,315 INFO L85 PathProgramCache]: Analyzing trace with hash 470700391, now seen corresponding path program 1 times [2024-11-17 07:18:53,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:53,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646579814] [2024-11-17 07:18:53,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:53,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:18:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:53,569 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 07:18:53,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:53,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646579814] [2024-11-17 07:18:53,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646579814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:53,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:18:53,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:18:53,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559267765] [2024-11-17 07:18:53,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:53,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:18:53,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:53,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:18:53,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:18:53,571 INFO L87 Difference]: Start difference. First operand 5556 states and 7741 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 07:18:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:54,182 INFO L93 Difference]: Finished difference Result 7867 states and 11043 transitions. [2024-11-17 07:18:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:18:54,182 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 07:18:54,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:54,207 INFO L225 Difference]: With dead ends: 7867 [2024-11-17 07:18:54,207 INFO L226 Difference]: Without dead ends: 7865 [2024-11-17 07:18:54,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:18:54,211 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 498 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:54,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 2394 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:18:54,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7865 states. [2024-11-17 07:18:54,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7865 to 5726. [2024-11-17 07:18:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 5495 states have (on average 1.3803457688808007) internal successors, (7585), 5520 states have internal predecessors, (7585), 168 states have call successors, (168), 56 states have call predecessors, (168), 50 states have return successors, (209), 149 states have call predecessors, (209), 168 states have call successors, (209) [2024-11-17 07:18:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 7962 transitions. [2024-11-17 07:18:54,334 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 7962 transitions. Word has length 127 [2024-11-17 07:18:54,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:54,335 INFO L471 AbstractCegarLoop]: Abstraction has 5726 states and 7962 transitions. [2024-11-17 07:18:54,335 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 07:18:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 7962 transitions. [2024-11-17 07:18:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-17 07:18:54,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:54,336 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 07:18:54,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 07:18:54,336 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 07:18:54,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:54,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1194157438, now seen corresponding path program 1 times [2024-11-17 07:18:54,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:54,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457566814] [2024-11-17 07:18:54,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:54,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:18:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:18:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:18:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,670 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 07:18:54,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:54,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457566814] [2024-11-17 07:18:54,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457566814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:54,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733068800] [2024-11-17 07:18:54,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:54,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:54,672 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 07:18:54,673 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 07:18:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:54,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:18:54,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:55,060 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 07:18:55,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:55,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733068800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:55,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:55,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-17 07:18:55,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547415903] [2024-11-17 07:18:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:55,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:18:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:55,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:18:55,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:18:55,066 INFO L87 Difference]: Start difference. First operand 5726 states and 7962 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 07:18:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:55,351 INFO L93 Difference]: Finished difference Result 10919 states and 15245 transitions. [2024-11-17 07:18:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:18:55,352 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 07:18:55,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:55,365 INFO L225 Difference]: With dead ends: 10919 [2024-11-17 07:18:55,365 INFO L226 Difference]: Without dead ends: 5515 [2024-11-17 07:18:55,373 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 07:18:55,373 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 86 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:55,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2654 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:18:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5515 states. [2024-11-17 07:18:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5515 to 5515. [2024-11-17 07:18:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5515 states, 5301 states have (on average 1.3850216940199962) internal successors, (7342), 5324 states have internal predecessors, (7342), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-17 07:18:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 5515 states and 7691 transitions. [2024-11-17 07:18:55,498 INFO L78 Accepts]: Start accepts. Automaton has 5515 states and 7691 transitions. Word has length 135 [2024-11-17 07:18:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:55,498 INFO L471 AbstractCegarLoop]: Abstraction has 5515 states and 7691 transitions. [2024-11-17 07:18:55,499 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 07:18:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 7691 transitions. [2024-11-17 07:18:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 07:18:55,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:55,500 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 07:18:55,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 07:18:55,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:55,707 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 07:18:55,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:55,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2044394135, now seen corresponding path program 1 times [2024-11-17 07:18:55,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:55,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785881109] [2024-11-17 07:18:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:18:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:18:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:55,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 07:18:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 07:18:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:56,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:18:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:56,027 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 07:18:56,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:56,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785881109] [2024-11-17 07:18:56,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785881109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:56,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187731774] [2024-11-17 07:18:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:56,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:56,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:56,029 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 07:18:56,030 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 07:18:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:56,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:18:56,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:56,371 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 07:18:56,388 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 07:18:56,405 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 07:18:56,940 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 07:18:56,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:56,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187731774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:56,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:56,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-17 07:18:56,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808478348] [2024-11-17 07:18:56,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:56,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:18:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:56,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:18:56,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:18:56,941 INFO L87 Difference]: Start difference. First operand 5515 states and 7691 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 07:18:58,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:18:58,670 INFO L93 Difference]: Finished difference Result 13125 states and 18406 transitions. [2024-11-17 07:18:58,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:18:58,670 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 07:18:58,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:18:58,683 INFO L225 Difference]: With dead ends: 13125 [2024-11-17 07:18:58,683 INFO L226 Difference]: Without dead ends: 7653 [2024-11-17 07:18:58,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:18:58,689 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 636 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:18:58,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 3349 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:18:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7653 states. [2024-11-17 07:18:58,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7653 to 5515. [2024-11-17 07:18:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5515 states, 5301 states have (on average 1.3848330503678552) internal successors, (7341), 5324 states have internal predecessors, (7341), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-17 07:18:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 5515 states and 7690 transitions. [2024-11-17 07:18:58,800 INFO L78 Accepts]: Start accepts. Automaton has 5515 states and 7690 transitions. Word has length 140 [2024-11-17 07:18:58,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:18:58,800 INFO L471 AbstractCegarLoop]: Abstraction has 5515 states and 7690 transitions. [2024-11-17 07:18:58,800 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 07:18:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 7690 transitions. [2024-11-17 07:18:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-17 07:18:58,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:18:58,801 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 07:18:58,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 07:18:59,001 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,SelfDestructingSolverStorable15 [2024-11-17 07:18:59,002 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 07:18:59,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:18:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash -2117894171, now seen corresponding path program 1 times [2024-11-17 07:18:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:18:59,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047521038] [2024-11-17 07:18:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:59,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:18:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:18:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:18:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:18:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 07:18:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:18:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,390 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 07:18:59,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:18:59,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047521038] [2024-11-17 07:18:59,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047521038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:18:59,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095641136] [2024-11-17 07:18:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:18:59,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:18:59,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:18:59,393 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 07:18:59,394 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 07:18:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:18:59,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:18:59,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:18:59,817 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 07:18:59,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:18:59,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095641136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:18:59,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:18:59,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-17 07:18:59,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651219268] [2024-11-17 07:18:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:18:59,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:18:59,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:18:59,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:18:59,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:18:59,819 INFO L87 Difference]: Start difference. First operand 5515 states and 7690 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 07:19:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:00,056 INFO L93 Difference]: Finished difference Result 8430 states and 11720 transitions. [2024-11-17 07:19:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:19:00,057 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 07:19:00,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:00,063 INFO L225 Difference]: With dead ends: 8430 [2024-11-17 07:19:00,063 INFO L226 Difference]: Without dead ends: 2999 [2024-11-17 07:19:00,069 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 07:19:00,069 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 14 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:00,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4456 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:19:00,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2024-11-17 07:19:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2997. [2024-11-17 07:19:00,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 2859 states have (on average 1.3718083245890171) internal successors, (3922), 2875 states have internal predecessors, (3922), 86 states have call successors, (86), 42 states have call predecessors, (86), 39 states have return successors, (97), 79 states have call predecessors, (97), 86 states have call successors, (97) [2024-11-17 07:19:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4105 transitions. [2024-11-17 07:19:00,131 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4105 transitions. Word has length 141 [2024-11-17 07:19:00,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:00,131 INFO L471 AbstractCegarLoop]: Abstraction has 2997 states and 4105 transitions. [2024-11-17 07:19:00,131 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 07:19:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4105 transitions. [2024-11-17 07:19:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-17 07:19:00,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:00,132 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 07:19:00,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 07:19:00,332 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,SelfDestructingSolverStorable16 [2024-11-17 07:19:00,333 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:19:00,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:00,333 INFO L85 PathProgramCache]: Analyzing trace with hash 789427535, now seen corresponding path program 1 times [2024-11-17 07:19:00,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:00,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114461531] [2024-11-17 07:19:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:00,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:00,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:00,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:00,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-17 07:19:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:19:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:00,722 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 07:19:00,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:00,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114461531] [2024-11-17 07:19:00,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114461531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:00,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119515006] [2024-11-17 07:19:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:00,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:00,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:00,724 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 07:19:00,725 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 07:19:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:01,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:19:01,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:01,153 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 07:19:01,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:01,268 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 07:19:01,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119515006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:01,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:01,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-17 07:19:01,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029946351] [2024-11-17 07:19:01,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:01,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:19:01,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:01,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:19:01,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:19:01,270 INFO L87 Difference]: Start difference. First operand 2997 states and 4105 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 07:19:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:02,375 INFO L93 Difference]: Finished difference Result 5976 states and 8215 transitions. [2024-11-17 07:19:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-17 07:19:02,376 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 07:19:02,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:02,384 INFO L225 Difference]: With dead ends: 5976 [2024-11-17 07:19:02,384 INFO L226 Difference]: Without dead ends: 3072 [2024-11-17 07:19:02,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=258, Invalid=1382, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 07:19:02,389 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 115 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 6182 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:02,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 6182 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:19:02,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2024-11-17 07:19:02,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3040. [2024-11-17 07:19:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2901 states have (on average 1.3719407100999654) internal successors, (3980), 2914 states have internal predecessors, (3980), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 4159 transitions. [2024-11-17 07:19:02,456 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 4159 transitions. Word has length 143 [2024-11-17 07:19:02,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:02,456 INFO L471 AbstractCegarLoop]: Abstraction has 3040 states and 4159 transitions. [2024-11-17 07:19:02,456 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 07:19:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 4159 transitions. [2024-11-17 07:19:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 07:19:02,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:02,457 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 07:19:02,471 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 07:19:02,657 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,SelfDestructingSolverStorable17 [2024-11-17 07:19:02,658 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:19:02,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:02,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1075469563, now seen corresponding path program 2 times [2024-11-17 07:19:02,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:02,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352040438] [2024-11-17 07:19:02,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:02,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:19:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:03,191 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 07:19:03,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:03,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352040438] [2024-11-17 07:19:03,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352040438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:03,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741585692] [2024-11-17 07:19:03,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:19:03,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:03,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:03,193 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 07:19:03,194 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 07:19:03,469 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:19:03,469 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:03,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:19:03,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:03,478 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 07:19:03,488 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 07:19:03,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:03,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741585692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:03,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:03,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-17 07:19:03,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018623811] [2024-11-17 07:19:03,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:03,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:19:03,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:03,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:19:03,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:19:03,490 INFO L87 Difference]: Start difference. First operand 3040 states and 4159 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 07:19:03,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:03,582 INFO L93 Difference]: Finished difference Result 3040 states and 4159 transitions. [2024-11-17 07:19:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:19:03,583 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 07:19:03,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:03,588 INFO L225 Difference]: With dead ends: 3040 [2024-11-17 07:19:03,588 INFO L226 Difference]: Without dead ends: 3039 [2024-11-17 07:19:03,589 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 07:19:03,589 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 2 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:03,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1136 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:19:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2024-11-17 07:19:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3039. [2024-11-17 07:19:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3039 states, 2901 states have (on average 1.3698724577731816) internal successors, (3974), 2913 states have internal predecessors, (3974), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 4153 transitions. [2024-11-17 07:19:03,660 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 4153 transitions. Word has length 147 [2024-11-17 07:19:03,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:03,660 INFO L471 AbstractCegarLoop]: Abstraction has 3039 states and 4153 transitions. [2024-11-17 07:19:03,661 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 07:19:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 4153 transitions. [2024-11-17 07:19:03,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-17 07:19:03,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:03,661 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 07:19:03,676 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 07:19:03,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:03,862 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 07:19:03,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:03,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1020182698, now seen corresponding path program 1 times [2024-11-17 07:19:03,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:03,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129997656] [2024-11-17 07:19:03,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:03,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:19:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,431 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 07:19:04,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:04,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129997656] [2024-11-17 07:19:04,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129997656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:04,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731725565] [2024-11-17 07:19:04,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:04,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:04,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:04,434 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 07:19:04,435 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 07:19:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:04,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:19:04,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:04,978 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 07:19:04,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:05,179 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 07:19:05,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731725565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:05,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:05,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-17 07:19:05,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383759695] [2024-11-17 07:19:05,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:05,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-17 07:19:05,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:05,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-17 07:19:05,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-17 07:19:05,181 INFO L87 Difference]: Start difference. First operand 3039 states and 4153 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 07:19:06,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:06,836 INFO L93 Difference]: Finished difference Result 6067 states and 8329 transitions. [2024-11-17 07:19:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-17 07:19:06,836 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 07:19:06,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:06,843 INFO L225 Difference]: With dead ends: 6067 [2024-11-17 07:19:06,843 INFO L226 Difference]: Without dead ends: 3106 [2024-11-17 07:19:06,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=534, Invalid=2888, Unknown=0, NotChecked=0, Total=3422 [2024-11-17 07:19:06,847 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 161 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 7037 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:06,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 7037 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:19:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-11-17 07:19:06,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3084. [2024-11-17 07:19:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 2946 states have (on average 1.3652410047522063) internal successors, (4022), 2958 states have internal predecessors, (4022), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4201 transitions. [2024-11-17 07:19:06,919 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4201 transitions. Word has length 148 [2024-11-17 07:19:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:06,919 INFO L471 AbstractCegarLoop]: Abstraction has 3084 states and 4201 transitions. [2024-11-17 07:19:06,919 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 07:19:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4201 transitions. [2024-11-17 07:19:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-17 07:19:06,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:06,921 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 07:19:06,936 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 07:19:07,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:07,122 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 07:19:07,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash 196718523, now seen corresponding path program 2 times [2024-11-17 07:19:07,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:07,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484105383] [2024-11-17 07:19:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:07,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:07,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:19:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:07,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 07:19:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:07,914 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 07:19:07,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:07,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484105383] [2024-11-17 07:19:07,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484105383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:07,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041164056] [2024-11-17 07:19:07,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:19:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:07,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:07,917 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 07:19:07,918 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 07:19:08,448 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:19:08,448 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:08,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-17 07:19:08,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 127 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 07:19:08,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:09,143 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 07:19:09,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041164056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:09,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:09,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 10] total 42 [2024-11-17 07:19:09,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979361878] [2024-11-17 07:19:09,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:09,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-17 07:19:09,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:09,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-17 07:19:09,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1521, Unknown=0, NotChecked=0, Total=1722 [2024-11-17 07:19:09,145 INFO L87 Difference]: Start difference. First operand 3084 states and 4201 transitions. Second operand has 42 states, 42 states have (on average 4.404761904761905) internal successors, (185), 40 states have internal predecessors, (185), 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 07:19:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:12,547 INFO L93 Difference]: Finished difference Result 6158 states and 8435 transitions. [2024-11-17 07:19:12,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-17 07:19:12,547 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.404761904761905) internal successors, (185), 40 states have internal predecessors, (185), 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 157 [2024-11-17 07:19:12,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:12,554 INFO L225 Difference]: With dead ends: 6158 [2024-11-17 07:19:12,554 INFO L226 Difference]: Without dead ends: 3164 [2024-11-17 07:19:12,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1955 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1075, Invalid=7481, Unknown=0, NotChecked=0, Total=8556 [2024-11-17 07:19:12,560 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 227 mSDsluCounter, 12435 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 12968 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:12,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 12968 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 07:19:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2024-11-17 07:19:12,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 3128. [2024-11-17 07:19:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 2990 states have (on average 1.35752508361204) internal successors, (4059), 3001 states have internal predecessors, (4059), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4238 transitions. [2024-11-17 07:19:12,649 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4238 transitions. Word has length 157 [2024-11-17 07:19:12,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:12,649 INFO L471 AbstractCegarLoop]: Abstraction has 3128 states and 4238 transitions. [2024-11-17 07:19:12,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.404761904761905) internal successors, (185), 40 states have internal predecessors, (185), 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 07:19:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4238 transitions. [2024-11-17 07:19:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 07:19:12,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:12,651 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] [2024-11-17 07:19:12,667 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 07:19:12,851 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,SelfDestructingSolverStorable20 [2024-11-17 07:19:12,852 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 07:19:12,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:12,852 INFO L85 PathProgramCache]: Analyzing trace with hash 168076229, now seen corresponding path program 3 times [2024-11-17 07:19:12,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:12,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136794566] [2024-11-17 07:19:12,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:12,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:19:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:19:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:19:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 07:19:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:13,815 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 07:19:13,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:13,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136794566] [2024-11-17 07:19:13,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136794566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:13,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334750062] [2024-11-17 07:19:13,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:19:13,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:13,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:13,817 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 07:19:13,818 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 07:19:14,213 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 07:19:14,214 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:14,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:19:14,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-17 07:19:14,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:14,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334750062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:14,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:14,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 23 [2024-11-17 07:19:14,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948851396] [2024-11-17 07:19:14,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:14,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:19:14,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:14,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:19:14,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:19:14,483 INFO L87 Difference]: Start difference. First operand 3128 states and 4238 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 07:19:14,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:14,941 INFO L93 Difference]: Finished difference Result 6248 states and 8487 transitions. [2024-11-17 07:19:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:19:14,942 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 165 [2024-11-17 07:19:14,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:14,948 INFO L225 Difference]: With dead ends: 6248 [2024-11-17 07:19:14,948 INFO L226 Difference]: Without dead ends: 3163 [2024-11-17 07:19:14,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:19:14,952 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 11 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3046 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:14,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3046 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:19:14,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2024-11-17 07:19:15,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3156. [2024-11-17 07:19:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 3018 states have (on average 1.354208084824387) internal successors, (4087), 3029 states have internal predecessors, (4087), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4266 transitions. [2024-11-17 07:19:15,051 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4266 transitions. Word has length 165 [2024-11-17 07:19:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:15,051 INFO L471 AbstractCegarLoop]: Abstraction has 3156 states and 4266 transitions. [2024-11-17 07:19:15,051 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 07:19:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4266 transitions. [2024-11-17 07:19:15,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-17 07:19:15,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:15,053 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] [2024-11-17 07:19:15,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 07:19:15,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:15,254 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 07:19:15,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1697153808, now seen corresponding path program 1 times [2024-11-17 07:19:15,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:15,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200826465] [2024-11-17 07:19:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:15,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:19:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:19:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:19:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:19:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-17 07:19:15,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:15,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200826465] [2024-11-17 07:19:15,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200826465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:15,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:15,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:19:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893508308] [2024-11-17 07:19:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:15,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:19:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:19:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:19:15,600 INFO L87 Difference]: Start difference. First operand 3156 states and 4266 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 07:19:16,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:16,160 INFO L93 Difference]: Finished difference Result 6287 states and 8518 transitions. [2024-11-17 07:19:16,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:19:16,161 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 167 [2024-11-17 07:19:16,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:16,168 INFO L225 Difference]: With dead ends: 6287 [2024-11-17 07:19:16,168 INFO L226 Difference]: Without dead ends: 3177 [2024-11-17 07:19:16,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:19:16,173 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 53 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:16,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 2809 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:19:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3177 states. [2024-11-17 07:19:16,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3177 to 3177. [2024-11-17 07:19:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3039 states have (on average 1.3517604475156302) internal successors, (4108), 3050 states have internal predecessors, (4108), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4287 transitions. [2024-11-17 07:19:16,259 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4287 transitions. Word has length 167 [2024-11-17 07:19:16,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:16,260 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 4287 transitions. [2024-11-17 07:19:16,260 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 07:19:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4287 transitions. [2024-11-17 07:19:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-17 07:19:16,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:16,261 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] [2024-11-17 07:19:16,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-17 07:19:16,261 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 07:19:16,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:16,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1210084393, now seen corresponding path program 1 times [2024-11-17 07:19:16,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:16,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196277934] [2024-11-17 07:19:16,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:16,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:19:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:19:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:19:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:19:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-17 07:19:16,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:16,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196277934] [2024-11-17 07:19:16,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196277934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:16,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:16,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 07:19:16,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036223668] [2024-11-17 07:19:16,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:16,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:19:16,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:16,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:19:16,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:19:16,604 INFO L87 Difference]: Start difference. First operand 3177 states and 4287 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 07:19:17,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:17,204 INFO L93 Difference]: Finished difference Result 6329 states and 8562 transitions. [2024-11-17 07:19:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:19:17,204 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 167 [2024-11-17 07:19:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:17,211 INFO L225 Difference]: With dead ends: 6329 [2024-11-17 07:19:17,211 INFO L226 Difference]: Without dead ends: 3212 [2024-11-17 07:19:17,214 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 07:19:17,215 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 57 mSDsluCounter, 3149 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3669 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:17,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3669 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:19:17,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2024-11-17 07:19:17,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3177. [2024-11-17 07:19:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3039 states have (on average 1.3517604475156302) internal successors, (4108), 3050 states have internal predecessors, (4108), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4287 transitions. [2024-11-17 07:19:17,301 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4287 transitions. Word has length 167 [2024-11-17 07:19:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:17,301 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 4287 transitions. [2024-11-17 07:19:17,301 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 07:19:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4287 transitions. [2024-11-17 07:19:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-17 07:19:17,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:17,302 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] [2024-11-17 07:19:17,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 07:19:17,302 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 07:19:17,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash 147677729, now seen corresponding path program 1 times [2024-11-17 07:19:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:17,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820734959] [2024-11-17 07:19:17,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:17,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:19:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:19:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:19:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:19:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-17 07:19:17,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:17,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820734959] [2024-11-17 07:19:17,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820734959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:17,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:17,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:19:17,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799265918] [2024-11-17 07:19:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:17,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:19:17,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:19:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:19:17,693 INFO L87 Difference]: Start difference. First operand 3177 states and 4287 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 07:19:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:18,335 INFO L93 Difference]: Finished difference Result 6359 states and 8596 transitions. [2024-11-17 07:19:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:19:18,335 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 168 [2024-11-17 07:19:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:18,341 INFO L225 Difference]: With dead ends: 6359 [2024-11-17 07:19:18,341 INFO L226 Difference]: Without dead ends: 3247 [2024-11-17 07:19:18,345 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 07:19:18,345 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 65 mSDsluCounter, 3681 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:18,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 4201 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:19:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2024-11-17 07:19:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 3226. [2024-11-17 07:19:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3226 states, 3088 states have (on average 1.3507124352331605) internal successors, (4171), 3099 states have internal predecessors, (4171), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 4350 transitions. [2024-11-17 07:19:18,428 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 4350 transitions. Word has length 168 [2024-11-17 07:19:18,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:18,428 INFO L471 AbstractCegarLoop]: Abstraction has 3226 states and 4350 transitions. [2024-11-17 07:19:18,428 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 07:19:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 4350 transitions. [2024-11-17 07:19:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-17 07:19:18,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:18,429 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] [2024-11-17 07:19:18,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-17 07:19:18,429 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 07:19:18,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:18,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1993158777, now seen corresponding path program 1 times [2024-11-17 07:19:18,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:18,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105528418] [2024-11-17 07:19:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:19:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:19:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:19:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:19:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,413 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 07:19:19,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:19,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105528418] [2024-11-17 07:19:19,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105528418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:19,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310364641] [2024-11-17 07:19:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:19,415 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 07:19:19,416 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 07:19:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:19,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 07:19:19,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-17 07:19:20,054 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:20,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310364641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:20,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:19:20,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 24 [2024-11-17 07:19:20,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199647965] [2024-11-17 07:19:20,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:20,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:19:20,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:20,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:19:20,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:19:20,055 INFO L87 Difference]: Start difference. First operand 3226 states and 4350 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 07:19:20,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:20,430 INFO L93 Difference]: Finished difference Result 6450 states and 8713 transitions. [2024-11-17 07:19:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:19:20,431 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 168 [2024-11-17 07:19:20,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:20,438 INFO L225 Difference]: With dead ends: 6450 [2024-11-17 07:19:20,438 INFO L226 Difference]: Without dead ends: 3296 [2024-11-17 07:19:20,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:19:20,442 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 13 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3092 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:20,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3092 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:19:20,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2024-11-17 07:19:20,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3261. [2024-11-17 07:19:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3123 states have (on average 1.3490233749599745) internal successors, (4213), 3134 states have internal predecessors, (4213), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4392 transitions. [2024-11-17 07:19:20,529 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4392 transitions. Word has length 168 [2024-11-17 07:19:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:20,529 INFO L471 AbstractCegarLoop]: Abstraction has 3261 states and 4392 transitions. [2024-11-17 07:19:20,529 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 07:19:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4392 transitions. [2024-11-17 07:19:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:19:20,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:20,530 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 07:19:20,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 07:19:20,731 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 07:19:20,731 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 07:19:20,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:20,732 INFO L85 PathProgramCache]: Analyzing trace with hash -423509584, now seen corresponding path program 1 times [2024-11-17 07:19:20,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:20,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055813986] [2024-11-17 07:19:20,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:20,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:19:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-17 07:19:21,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:21,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055813986] [2024-11-17 07:19:21,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055813986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:21,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:21,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-17 07:19:21,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663167570] [2024-11-17 07:19:21,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:21,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:19:21,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:21,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:19:21,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:19:21,216 INFO L87 Difference]: Start difference. First operand 3261 states and 4392 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 07:19:21,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:21,949 INFO L93 Difference]: Finished difference Result 6513 states and 8797 transitions. [2024-11-17 07:19:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 07:19:21,950 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 169 [2024-11-17 07:19:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:21,957 INFO L225 Difference]: With dead ends: 6513 [2024-11-17 07:19:21,957 INFO L226 Difference]: Without dead ends: 3324 [2024-11-17 07:19:21,960 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 07:19:21,961 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 68 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:21,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 4663 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:19:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2024-11-17 07:19:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3282. [2024-11-17 07:19:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3144 states have (on average 1.3466921119592876) internal successors, (4234), 3155 states have internal predecessors, (4234), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4413 transitions. [2024-11-17 07:19:22,046 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4413 transitions. Word has length 169 [2024-11-17 07:19:22,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:22,046 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4413 transitions. [2024-11-17 07:19:22,046 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 07:19:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4413 transitions. [2024-11-17 07:19:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:19:22,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:22,047 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 07:19:22,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-17 07:19:22,047 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 07:19:22,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:22,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1930035466, now seen corresponding path program 1 times [2024-11-17 07:19:22,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:22,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035863481] [2024-11-17 07:19:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:19:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:19:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:22,892 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 07:19:22,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035863481] [2024-11-17 07:19:22,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035863481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540931262] [2024-11-17 07:19:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:22,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:22,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:22,894 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 07:19:22,895 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 07:19:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:23,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-17 07:19:23,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:23,778 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 07:19:23,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:19:24,333 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 07:19:24,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540931262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:19:24,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:19:24,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-11-17 07:19:24,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293970858] [2024-11-17 07:19:24,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:19:24,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 07:19:24,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:24,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 07:19:24,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 07:19:24,335 INFO L87 Difference]: Start difference. First operand 3282 states and 4413 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 07:19:29,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:29,162 INFO L93 Difference]: Finished difference Result 6550 states and 8875 transitions. [2024-11-17 07:19:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-17 07:19:29,162 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 07:19:29,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:29,170 INFO L225 Difference]: With dead ends: 6550 [2024-11-17 07:19:29,170 INFO L226 Difference]: Without dead ends: 3381 [2024-11-17 07:19:29,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2235 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1764, Invalid=8136, Unknown=0, NotChecked=0, Total=9900 [2024-11-17 07:19:29,176 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 187 mSDsluCounter, 12411 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 12944 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:29,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 12944 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2834 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:19:29,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3381 states. [2024-11-17 07:19:29,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3381 to 3360. [2024-11-17 07:19:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3222 states have (on average 1.3382991930477963) internal successors, (4312), 3233 states have internal predecessors, (4312), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-17 07:19:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4491 transitions. [2024-11-17 07:19:29,353 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4491 transitions. Word has length 169 [2024-11-17 07:19:29,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:29,354 INFO L471 AbstractCegarLoop]: Abstraction has 3360 states and 4491 transitions. [2024-11-17 07:19:29,354 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 07:19:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4491 transitions. [2024-11-17 07:19:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:19:29,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:29,356 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 07:19:29,373 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 07:19:29,556 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,SelfDestructingSolverStorable27 [2024-11-17 07:19:29,557 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:19:29,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash 355821541, now seen corresponding path program 2 times [2024-11-17 07:19:29,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:29,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431194934] [2024-11-17 07:19:29,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:30,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:19:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:30,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:19:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:30,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:19:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:31,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 07:19:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:31,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 07:19:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:31,185 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 07:19:31,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431194934] [2024-11-17 07:19:31,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431194934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:19:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495658006] [2024-11-17 07:19:31,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:19:31,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:31,186 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:19:31,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 07:19:32,272 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:19:32,272 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:19:32,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 263 conjuncts are in the unsatisfiable core [2024-11-17 07:19:32,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:32,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 07:19:32,461 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-17 07:19:32,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-17 07:19:32,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-17 07:19:32,508 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 13 treesize of output 9 [2024-11-17 07:19:32,583 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 22 treesize of output 10 [2024-11-17 07:19:32,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-17 07:19:33,214 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 07:19:33,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-17 07:19:33,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2024-11-17 07:19:33,287 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2024-11-17 07:19:33,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2013 treesize of output 1746 [2024-11-17 07:19:33,314 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:19:33,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3520 treesize of output 3161 [2024-11-17 07:19:33,345 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:19:33,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3743 treesize of output 3352 [2024-11-17 07:19:33,369 INFO L349 Elim1Store]: treesize reduction 247, result has 0.4 percent of original size [2024-11-17 07:19:33,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2681 treesize of output 2337 [2024-11-17 07:19:33,392 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:19:33,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2225 treesize of output 1740 [2024-11-17 07:19:33,429 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:19:33,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 203 [2024-11-17 07:19:33,455 INFO L349 Elim1Store]: treesize reduction 101, result has 27.3 percent of original size [2024-11-17 07:19:33,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 200 [2024-11-17 07:19:33,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2024-11-17 07:19:33,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2024-11-17 07:19:35,178 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:19:35,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 3707 treesize of output 3144 [2024-11-17 07:19:35,236 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:19:35,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 3158 treesize of output 2691 [2024-11-17 07:19:35,255 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:19:35,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1156 treesize of output 875 [2024-11-17 07:19:35,290 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:19:35,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 203 [2024-11-17 07:19:35,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2024-11-17 07:19:35,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 125 [2024-11-17 07:19:35,465 INFO L349 Elim1Store]: treesize reduction 247, result has 0.4 percent of original size [2024-11-17 07:19:35,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2300 treesize of output 2020 [2024-11-17 07:19:35,498 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:19:35,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3652 treesize of output 3155 [2024-11-17 07:19:35,516 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2024-11-17 07:19:35,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1758 treesize of output 1545 [2024-11-17 07:19:35,538 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:19:35,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3845 treesize of output 3324 [2024-11-17 07:19:35,580 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2024-11-17 07:19:35,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 1924 treesize of output 1704 [2024-11-17 07:19:35,604 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:19:35,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3573 treesize of output 3204 [2024-11-17 07:19:35,632 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:19:35,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3786 treesize of output 3385 [2024-11-17 07:19:35,655 INFO L349 Elim1Store]: treesize reduction 247, result has 0.4 percent of original size [2024-11-17 07:19:35,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2681 treesize of output 2337 [2024-11-17 07:19:35,676 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:19:35,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2225 treesize of output 1740 [2024-11-17 07:19:35,712 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:19:35,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 203 [2024-11-17 07:19:35,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2024-11-17 07:19:35,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 125 [2024-11-17 07:19:35,878 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:19:35,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 3707 treesize of output 3144 [2024-11-17 07:19:35,946 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:19:35,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 3913 treesize of output 3328 [2024-11-17 07:19:35,973 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:19:35,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 3636 treesize of output 3083 [2024-11-17 07:19:36,001 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:19:36,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2154 treesize of output 1679 [2024-11-17 07:19:36,038 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:19:36,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 203 [2024-11-17 07:19:36,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2024-11-17 07:19:36,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 125