./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_SFH_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 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:30:29,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:30:29,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:30:29,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:30:29,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:30:29,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:30:29,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:30:29,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:30:29,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:30:29,386 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:30:29,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:30:29,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:30:29,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:30:29,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:30:29,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:30:29,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:30:29,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:30:29,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:30:29,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:30:29,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:30:29,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:30:29,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:30:29,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:30:29,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:30:29,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:30:29,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:30:29,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:30:29,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:30:29,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:30:29,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:30:29,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:30:29,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:30:29,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:30:29,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:30:29,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:30:29,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:30:29,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:30:29,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:30:29,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:30:29,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:30:29,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:30:29,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:30:29,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:30:29,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:30:29,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf [2024-11-17 07:30:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:30:29,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:30:29,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:30:29,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:30:29,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:30:29,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2024-11-17 07:30:31,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:30:31,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:30:31,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2024-11-17 07:30:31,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c03c5e74/b57c2305dbbc4f7bb902de3f1b6e7c22/FLAGdb8b444b6 [2024-11-17 07:30:31,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c03c5e74/b57c2305dbbc4f7bb902de3f1b6e7c22 [2024-11-17 07:30:31,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:30:31,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:30:31,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:30:31,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:30:31,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:30:31,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:30:31" (1/1) ... [2024-11-17 07:30:31,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efea276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:31, skipping insertion in model container [2024-11-17 07:30:31,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:30:31" (1/1) ... [2024-11-17 07:30:31,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:30:32,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:30:32,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:30:32,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:30:32,454 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:30:32,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32 WrapperNode [2024-11-17 07:30:32,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:30:32,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:30:32,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:30:32,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:30:32,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,541 INFO L138 Inliner]: procedures = 282, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1617 [2024-11-17 07:30:32,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:30:32,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:30:32,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:30:32,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:30:32,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,647 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 07:30:32,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:30:32,723 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:30:32,724 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:30:32,724 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:30:32,725 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (1/1) ... [2024-11-17 07:30:32,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:30:32,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:32,757 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 07:30:32,771 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 07:30:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:30:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:30:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:30:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-17 07:30:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-17 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-17 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-17 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:30:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:30:32,991 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:30:32,993 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:30:33,030 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2024-11-17 07:30:34,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2024-11-17 07:30:34,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2024-11-17 07:30:34,069 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 07:30:34,156 INFO L? ?]: Removed 375 outVars from TransFormulas that were not future-live. [2024-11-17 07:30:34,156 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:30:34,188 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:30:34,188 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:30:34,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:30:34 BoogieIcfgContainer [2024-11-17 07:30:34,189 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:30:34,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:30:34,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:30:34,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:30:34,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:30:31" (1/3) ... [2024-11-17 07:30:34,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50541f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:30:34, skipping insertion in model container [2024-11-17 07:30:34,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:30:32" (2/3) ... [2024-11-17 07:30:34,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50541f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:30:34, skipping insertion in model container [2024-11-17 07:30:34,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:30:34" (3/3) ... [2024-11-17 07:30:34,194 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test6-2.i [2024-11-17 07:30:34,204 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:30:34,205 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-17 07:30:34,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:30:34,251 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;@6c93872b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:30:34,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-17 07:30:34,255 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 07:30:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:30:34,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:34,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:30:34,260 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 07:30:34,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1611829372, now seen corresponding path program 1 times [2024-11-17 07:30:34,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:34,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017200249] [2024-11-17 07:30:34,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:34,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:34,389 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 07:30:34,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:34,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017200249] [2024-11-17 07:30:34,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017200249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:34,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:34,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:30:34,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060328554] [2024-11-17 07:30:34,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:34,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:30:34,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:34,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:30:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:30:34,414 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 07:30:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:34,542 INFO L93 Difference]: Finished difference Result 1021 states and 1595 transitions. [2024-11-17 07:30:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:30:34,544 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 07:30:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:34,553 INFO L225 Difference]: With dead ends: 1021 [2024-11-17 07:30:34,553 INFO L226 Difference]: Without dead ends: 500 [2024-11-17 07:30:34,560 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 07:30:34,562 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 07:30:34,562 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 07:30:34,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-17 07:30:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2024-11-17 07:30:34,628 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 07:30:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 696 transitions. [2024-11-17 07:30:34,631 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 696 transitions. Word has length 8 [2024-11-17 07:30:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:34,631 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 696 transitions. [2024-11-17 07:30:34,631 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 07:30:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 696 transitions. [2024-11-17 07:30:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:30:34,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:34,632 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:30:34,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:30:34,633 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 07:30:34,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:34,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1611830333, now seen corresponding path program 1 times [2024-11-17 07:30:34,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:34,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591966078] [2024-11-17 07:30:34,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:34,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:30:34,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991539162] [2024-11-17 07:30:34,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:34,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:34,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:34,682 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 07:30:34,684 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 07:30:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:34,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:30:34,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:34,868 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 07:30:34,892 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 07:30:34,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:34,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:34,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591966078] [2024-11-17 07:30:34,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:30:34,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991539162] [2024-11-17 07:30:34,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991539162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:34,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:34,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:30:34,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070198558] [2024-11-17 07:30:34,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:34,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:34,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:34,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:34,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:34,895 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 07:30:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:35,165 INFO L93 Difference]: Finished difference Result 963 states and 1356 transitions. [2024-11-17 07:30:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:30:35,165 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 07:30:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:35,169 INFO L225 Difference]: With dead ends: 963 [2024-11-17 07:30:35,169 INFO L226 Difference]: Without dead ends: 962 [2024-11-17 07:30:35,170 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 07:30:35,171 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 07:30:35,174 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 07:30:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-17 07:30:35,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 506. [2024-11-17 07:30:35,213 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 07:30:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 703 transitions. [2024-11-17 07:30:35,216 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 703 transitions. Word has length 8 [2024-11-17 07:30:35,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:35,217 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 703 transitions. [2024-11-17 07:30:35,218 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 07:30:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 703 transitions. [2024-11-17 07:30:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 07:30:35,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:35,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:30:35,233 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 07:30:35,420 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 07:30:35,421 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 07:30:35,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1572866446, now seen corresponding path program 1 times [2024-11-17 07:30:35,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:35,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960988905] [2024-11-17 07:30:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:35,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:30:35,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664820025] [2024-11-17 07:30:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:35,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:35,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:35,483 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 07:30:35,490 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 07:30:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:35,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:30:35,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:35,659 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 07:30:35,684 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 07:30:35,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:35,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:35,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960988905] [2024-11-17 07:30:35,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:30:35,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664820025] [2024-11-17 07:30:35,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664820025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:35,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:35,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:30:35,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570104541] [2024-11-17 07:30:35,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:35,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:35,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:35,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:35,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:35,687 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 07:30:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:35,913 INFO L93 Difference]: Finished difference Result 962 states and 1355 transitions. [2024-11-17 07:30:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:30:35,914 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 07:30:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:35,917 INFO L225 Difference]: With dead ends: 962 [2024-11-17 07:30:35,917 INFO L226 Difference]: Without dead ends: 961 [2024-11-17 07:30:35,918 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 07:30:35,919 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 07:30:35,919 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 07:30:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-17 07:30:35,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 507. [2024-11-17 07:30:35,937 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 07:30:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 704 transitions. [2024-11-17 07:30:35,939 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 704 transitions. Word has length 9 [2024-11-17 07:30:35,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:35,940 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 704 transitions. [2024-11-17 07:30:35,940 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 07:30:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 704 transitions. [2024-11-17 07:30:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 07:30:35,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:35,942 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 07:30:35,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:30:36,142 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 07:30:36,143 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 07:30:36,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:36,143 INFO L85 PathProgramCache]: Analyzing trace with hash 837052063, now seen corresponding path program 1 times [2024-11-17 07:30:36,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:36,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023243690] [2024-11-17 07:30:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:36,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-17 07:30:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-17 07:30:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:36,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 07:30:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:36,299 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 07:30:36,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:36,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023243690] [2024-11-17 07:30:36,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023243690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:36,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:36,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:30:36,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138932479] [2024-11-17 07:30:36,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:36,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:36,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:36,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:36,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:36,302 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 07:30:36,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:36,570 INFO L93 Difference]: Finished difference Result 1221 states and 1717 transitions. [2024-11-17 07:30:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:30:36,571 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 07:30:36,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:36,574 INFO L225 Difference]: With dead ends: 1221 [2024-11-17 07:30:36,574 INFO L226 Difference]: Without dead ends: 960 [2024-11-17 07:30:36,575 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 07:30:36,579 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 626 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 07:30:36,580 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 07:30:36,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-17 07:30:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 507. [2024-11-17 07:30:36,593 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 07:30:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 703 transitions. [2024-11-17 07:30:36,595 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 703 transitions. Word has length 36 [2024-11-17 07:30:36,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:36,596 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 703 transitions. [2024-11-17 07:30:36,596 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 07:30:36,596 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 703 transitions. [2024-11-17 07:30:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:30:36,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:36,599 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 07:30:36,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:30:36,599 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 07:30:36,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1792125285, now seen corresponding path program 1 times [2024-11-17 07:30:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:36,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830485265] [2024-11-17 07:30:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:36,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:36,826 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 07:30:36,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:36,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830485265] [2024-11-17 07:30:36,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830485265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:36,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:36,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:30:36,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832117702] [2024-11-17 07:30:36,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:36,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:36,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:36,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:36,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:36,829 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 07:30:36,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:36,939 INFO L93 Difference]: Finished difference Result 963 states and 1331 transitions. [2024-11-17 07:30:36,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:30:36,940 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 07:30:36,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:36,941 INFO L225 Difference]: With dead ends: 963 [2024-11-17 07:30:36,942 INFO L226 Difference]: Without dead ends: 465 [2024-11-17 07:30:36,942 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 07:30:36,943 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 07:30:36,943 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 07:30:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-17 07:30:36,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2024-11-17 07:30:36,949 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 07:30:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 626 transitions. [2024-11-17 07:30:36,951 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 626 transitions. Word has length 67 [2024-11-17 07:30:36,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:36,951 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 626 transitions. [2024-11-17 07:30:36,951 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 07:30:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 626 transitions. [2024-11-17 07:30:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:30:36,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:36,952 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 07:30:36,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:30:36,953 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 07:30:36,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:36,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1952162002, now seen corresponding path program 1 times [2024-11-17 07:30:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:36,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933545257] [2024-11-17 07:30:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:36,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:37,043 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 07:30:37,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:37,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933545257] [2024-11-17 07:30:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933545257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:37,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:37,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:30:37,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967812040] [2024-11-17 07:30:37,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:37,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:37,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:37,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:37,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:37,045 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 07:30:37,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:37,134 INFO L93 Difference]: Finished difference Result 915 states and 1237 transitions. [2024-11-17 07:30:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:30:37,135 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 07:30:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:37,136 INFO L225 Difference]: With dead ends: 915 [2024-11-17 07:30:37,137 INFO L226 Difference]: Without dead ends: 459 [2024-11-17 07:30:37,137 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 07:30:37,138 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 07:30:37,138 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 07:30:37,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-17 07:30:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-17 07:30:37,144 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 07:30:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 616 transitions. [2024-11-17 07:30:37,145 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 616 transitions. Word has length 67 [2024-11-17 07:30:37,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:37,147 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 616 transitions. [2024-11-17 07:30:37,147 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 07:30:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 616 transitions. [2024-11-17 07:30:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:30:37,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:37,148 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 07:30:37,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:30:37,148 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 07:30:37,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:37,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1844765909, now seen corresponding path program 1 times [2024-11-17 07:30:37,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:37,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044381933] [2024-11-17 07:30:37,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:37,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:37,297 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 07:30:37,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:37,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044381933] [2024-11-17 07:30:37,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044381933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:37,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:37,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:30:37,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036993993] [2024-11-17 07:30:37,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:37,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:37,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:37,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:37,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:37,299 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 07:30:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:37,408 INFO L93 Difference]: Finished difference Result 837 states and 1132 transitions. [2024-11-17 07:30:37,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:30:37,408 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 07:30:37,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:37,412 INFO L225 Difference]: With dead ends: 837 [2024-11-17 07:30:37,412 INFO L226 Difference]: Without dead ends: 833 [2024-11-17 07:30:37,413 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 07:30:37,413 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 07:30:37,413 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 07:30:37,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-17 07:30:37,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 823. [2024-11-17 07:30:37,424 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 07:30:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1126 transitions. [2024-11-17 07:30:37,426 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1126 transitions. Word has length 67 [2024-11-17 07:30:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:37,426 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1126 transitions. [2024-11-17 07:30:37,427 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 07:30:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1126 transitions. [2024-11-17 07:30:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 07:30:37,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:37,427 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 07:30:37,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:30:37,428 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 07:30:37,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:37,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1387551099, now seen corresponding path program 1 times [2024-11-17 07:30:37,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:37,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2183470] [2024-11-17 07:30:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:37,539 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 07:30:37,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:37,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2183470] [2024-11-17 07:30:37,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2183470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:37,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:37,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:30:37,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88844419] [2024-11-17 07:30:37,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:37,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:30:37,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:37,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:30:37,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:30:37,541 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 07:30:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:37,740 INFO L93 Difference]: Finished difference Result 1105 states and 1510 transitions. [2024-11-17 07:30:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:30:37,740 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 07:30:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:37,744 INFO L225 Difference]: With dead ends: 1105 [2024-11-17 07:30:37,744 INFO L226 Difference]: Without dead ends: 1103 [2024-11-17 07:30:37,744 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 07:30:37,745 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 07:30:37,745 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 07:30:37,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-17 07:30:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1092. [2024-11-17 07:30:37,761 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 07:30:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1507 transitions. [2024-11-17 07:30:37,764 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1507 transitions. Word has length 78 [2024-11-17 07:30:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:37,764 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1507 transitions. [2024-11-17 07:30:37,764 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 07:30:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1507 transitions. [2024-11-17 07:30:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:30:37,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:37,765 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 07:30:37,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:30:37,765 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 07:30:37,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:37,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1763230356, now seen corresponding path program 1 times [2024-11-17 07:30:37,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:37,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243142731] [2024-11-17 07:30:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:37,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:37,872 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 07:30:37,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:37,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243142731] [2024-11-17 07:30:37,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243142731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:37,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:37,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:30:37,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098925088] [2024-11-17 07:30:37,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:37,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:30:37,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:37,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:30:37,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:30:37,874 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 07:30:38,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:38,035 INFO L93 Difference]: Finished difference Result 1856 states and 2553 transitions. [2024-11-17 07:30:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:30:38,035 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 07:30:38,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:38,038 INFO L225 Difference]: With dead ends: 1856 [2024-11-17 07:30:38,038 INFO L226 Difference]: Without dead ends: 773 [2024-11-17 07:30:38,039 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 07:30:38,039 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 07:30:38,040 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 07:30:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-17 07:30:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 734. [2024-11-17 07:30:38,051 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 07:30:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1002 transitions. [2024-11-17 07:30:38,053 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1002 transitions. Word has length 84 [2024-11-17 07:30:38,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:38,053 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1002 transitions. [2024-11-17 07:30:38,054 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 07:30:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1002 transitions. [2024-11-17 07:30:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 07:30:38,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:38,054 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 07:30:38,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 07:30:38,055 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 07:30:38,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1921704331, now seen corresponding path program 1 times [2024-11-17 07:30:38,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:38,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622446258] [2024-11-17 07:30:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:38,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:30:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:38,336 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 07:30:38,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:38,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622446258] [2024-11-17 07:30:38,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622446258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:38,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541713232] [2024-11-17 07:30:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:38,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:38,338 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 07:30:38,339 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 07:30:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:38,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 07:30:38,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:38,645 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 07:30:38,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:38,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541713232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:38,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:30:38,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-17 07:30:38,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729385825] [2024-11-17 07:30:38,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:38,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:30:38,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:38,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:30:38,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:30:38,648 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 07:30:38,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:38,809 INFO L93 Difference]: Finished difference Result 1282 states and 1770 transitions. [2024-11-17 07:30:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:30:38,809 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 07:30:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:38,813 INFO L225 Difference]: With dead ends: 1282 [2024-11-17 07:30:38,814 INFO L226 Difference]: Without dead ends: 1281 [2024-11-17 07:30:38,814 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 07:30:38,815 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 07:30:38,815 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 07:30:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2024-11-17 07:30:38,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1228. [2024-11-17 07:30:38,845 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 07:30:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1710 transitions. [2024-11-17 07:30:38,848 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1710 transitions. Word has length 88 [2024-11-17 07:30:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:38,849 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1710 transitions. [2024-11-17 07:30:38,849 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 07:30:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1710 transitions. [2024-11-17 07:30:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 07:30:38,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:38,850 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 07:30:38,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 07:30:39,050 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 07:30:39,051 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 07:30:39,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -556707904, now seen corresponding path program 1 times [2024-11-17 07:30:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:39,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830376365] [2024-11-17 07:30:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:30:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:39,323 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 07:30:39,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:39,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830376365] [2024-11-17 07:30:39,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830376365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:39,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529541286] [2024-11-17 07:30:39,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:39,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:39,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:39,326 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 07:30:39,327 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 07:30:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:39,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:30:39,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:39,701 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 07:30:39,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:30:39,897 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 07:30:39,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529541286] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:30:39,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:30:39,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-17 07:30:39,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802017049] [2024-11-17 07:30:39,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:30:39,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 07:30:39,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:39,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 07:30:39,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:30:39,899 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 07:30:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:41,862 INFO L93 Difference]: Finished difference Result 4666 states and 6555 transitions. [2024-11-17 07:30:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 07:30:41,862 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 07:30:41,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:41,874 INFO L225 Difference]: With dead ends: 4666 [2024-11-17 07:30:41,874 INFO L226 Difference]: Without dead ends: 4664 [2024-11-17 07:30:41,875 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 07:30:41,876 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 07:30:41,876 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 07:30:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2024-11-17 07:30:41,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 2983. [2024-11-17 07:30:41,930 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 07:30:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4158 transitions. [2024-11-17 07:30:41,937 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4158 transitions. Word has length 89 [2024-11-17 07:30:41,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:41,937 INFO L471 AbstractCegarLoop]: Abstraction has 2983 states and 4158 transitions. [2024-11-17 07:30:41,938 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 07:30:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4158 transitions. [2024-11-17 07:30:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:30:41,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:41,938 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 07:30:41,954 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 07:30:42,139 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 07:30:42,139 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 07:30:42,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:42,139 INFO L85 PathProgramCache]: Analyzing trace with hash 416675653, now seen corresponding path program 1 times [2024-11-17 07:30:42,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:42,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060459827] [2024-11-17 07:30:42,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:42,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:42,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:30:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:30:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:42,387 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 07:30:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:42,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060459827] [2024-11-17 07:30:42,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060459827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:42,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573468449] [2024-11-17 07:30:42,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:42,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:42,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:42,390 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 07:30:42,392 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 07:30:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:42,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:30:42,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:42,709 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 07:30:42,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:30:42,860 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 07:30:42,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573468449] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:42,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 07:30:42,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-17 07:30:42,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168286652] [2024-11-17 07:30:42,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:42,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:30:42,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:42,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:30:42,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:30:42,862 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 07:30:42,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:42,979 INFO L93 Difference]: Finished difference Result 2983 states and 4158 transitions. [2024-11-17 07:30:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:30:42,979 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 07:30:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:42,987 INFO L225 Difference]: With dead ends: 2983 [2024-11-17 07:30:42,987 INFO L226 Difference]: Without dead ends: 2982 [2024-11-17 07:30:42,988 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 07:30:42,988 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 07:30:42,988 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 07:30:42,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-17 07:30:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2982. [2024-11-17 07:30:43,100 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 07:30:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 4153 transitions. [2024-11-17 07:30:43,112 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 4153 transitions. Word has length 99 [2024-11-17 07:30:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:43,112 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 4153 transitions. [2024-11-17 07:30:43,112 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 07:30:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 4153 transitions. [2024-11-17 07:30:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 07:30:43,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:43,113 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 07:30:43,127 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 07:30:43,313 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 07:30:43,314 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 07:30:43,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:43,315 INFO L85 PathProgramCache]: Analyzing trace with hash 32043355, now seen corresponding path program 1 times [2024-11-17 07:30:43,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:43,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105900484] [2024-11-17 07:30:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:43,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:43,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:30:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:30:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:43,575 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 07:30:43,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:43,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105900484] [2024-11-17 07:30:43,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105900484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:43,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496385166] [2024-11-17 07:30:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:43,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:43,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:43,577 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 07:30:43,578 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 07:30:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:43,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:30:43,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:43,973 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 07:30:43,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:30:44,107 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 07:30:44,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496385166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:30:44,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:30:44,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-17 07:30:44,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864681081] [2024-11-17 07:30:44,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:30:44,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:30:44,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:44,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:30:44,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:30:44,109 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 07:30:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:44,974 INFO L93 Difference]: Finished difference Result 6004 states and 8371 transitions. [2024-11-17 07:30:44,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 07:30:44,974 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 07:30:44,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:44,988 INFO L225 Difference]: With dead ends: 6004 [2024-11-17 07:30:44,988 INFO L226 Difference]: Without dead ends: 6003 [2024-11-17 07:30:44,989 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 07:30:44,990 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:30:44,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 5453 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:30:44,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6003 states. [2024-11-17 07:30:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6003 to 5556. [2024-11-17 07:30:45,101 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 07:30:45,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 7741 transitions. [2024-11-17 07:30:45,110 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 7741 transitions. Word has length 100 [2024-11-17 07:30:45,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:45,111 INFO L471 AbstractCegarLoop]: Abstraction has 5556 states and 7741 transitions. [2024-11-17 07:30:45,111 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 07:30:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 7741 transitions. [2024-11-17 07:30:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 07:30:45,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:45,112 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 07:30:45,128 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 07:30:45,312 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 07:30:45,312 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 07:30:45,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:45,313 INFO L85 PathProgramCache]: Analyzing trace with hash 470700391, now seen corresponding path program 1 times [2024-11-17 07:30:45,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:45,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794260714] [2024-11-17 07:30:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:45,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:45,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:30:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:30:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:30:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:45,580 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 07:30:45,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:45,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794260714] [2024-11-17 07:30:45,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794260714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:45,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:30:45,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:30:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466667457] [2024-11-17 07:30:45,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:45,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:30:45,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:30:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:30:45,581 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 07:30:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:46,159 INFO L93 Difference]: Finished difference Result 7867 states and 11043 transitions. [2024-11-17 07:30:46,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:30:46,160 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 07:30:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:46,186 INFO L225 Difference]: With dead ends: 7867 [2024-11-17 07:30:46,189 INFO L226 Difference]: Without dead ends: 7865 [2024-11-17 07:30:46,192 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 07:30:46,193 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 07:30:46,193 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 07:30:46,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7865 states. [2024-11-17 07:30:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7865 to 5726. [2024-11-17 07:30:46,333 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 07:30:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 7962 transitions. [2024-11-17 07:30:46,343 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 7962 transitions. Word has length 127 [2024-11-17 07:30:46,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:46,344 INFO L471 AbstractCegarLoop]: Abstraction has 5726 states and 7962 transitions. [2024-11-17 07:30:46,347 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 07:30:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 7962 transitions. [2024-11-17 07:30:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-17 07:30:46,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:46,348 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 07:30:46,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 07:30:46,349 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 07:30:46,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:46,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1194157438, now seen corresponding path program 1 times [2024-11-17 07:30:46,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:46,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61682081] [2024-11-17 07:30:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:46,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:46,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:46,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:30:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:46,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:30:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:46,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:30:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:46,619 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 07:30:46,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61682081] [2024-11-17 07:30:46,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61682081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481173502] [2024-11-17 07:30:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:46,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:46,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:46,621 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 07:30:46,623 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 07:30:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:46,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:30:46,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:47,097 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 07:30:47,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:47,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481173502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:47,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:30:47,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-17 07:30:47,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695533691] [2024-11-17 07:30:47,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:47,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:30:47,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:30:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:30:47,100 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 07:30:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:47,453 INFO L93 Difference]: Finished difference Result 10919 states and 15245 transitions. [2024-11-17 07:30:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:30:47,454 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 07:30:47,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:47,469 INFO L225 Difference]: With dead ends: 10919 [2024-11-17 07:30:47,469 INFO L226 Difference]: Without dead ends: 5515 [2024-11-17 07:30:47,478 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 07:30:47,480 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 86 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 07:30:47,480 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 07:30:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5515 states. [2024-11-17 07:30:47,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5515 to 5515. [2024-11-17 07:30:47,597 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 07:30:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 5515 states and 7691 transitions. [2024-11-17 07:30:47,608 INFO L78 Accepts]: Start accepts. Automaton has 5515 states and 7691 transitions. Word has length 135 [2024-11-17 07:30:47,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:47,609 INFO L471 AbstractCegarLoop]: Abstraction has 5515 states and 7691 transitions. [2024-11-17 07:30:47,609 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 07:30:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 7691 transitions. [2024-11-17 07:30:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 07:30:47,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:47,612 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 07:30:47,630 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 07:30:47,812 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 07:30:47,813 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 07:30:47,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:47,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2044394135, now seen corresponding path program 1 times [2024-11-17 07:30:47,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:47,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125793673] [2024-11-17 07:30:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:47,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:30:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:30:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 07:30:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 07:30:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:30:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,198 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 07:30:48,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:48,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125793673] [2024-11-17 07:30:48,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125793673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:48,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030522371] [2024-11-17 07:30:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:48,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:48,201 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 07:30:48,203 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 07:30:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:48,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:30:48,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:48,532 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 07:30:48,553 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 07:30:48,571 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 07:30:49,062 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 07:30:49,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:49,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030522371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:49,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:30:49,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-17 07:30:49,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60185426] [2024-11-17 07:30:49,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:49,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:30:49,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:49,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:30:49,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:30:49,063 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 07:30:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:50,922 INFO L93 Difference]: Finished difference Result 13125 states and 18406 transitions. [2024-11-17 07:30:50,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:30:50,923 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 07:30:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:50,939 INFO L225 Difference]: With dead ends: 13125 [2024-11-17 07:30:50,939 INFO L226 Difference]: Without dead ends: 7653 [2024-11-17 07:30:50,948 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 07:30:50,949 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 636 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:30:50,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 3349 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:30:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7653 states. [2024-11-17 07:30:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7653 to 5515. [2024-11-17 07:30:51,063 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 07:30:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 5515 states and 7690 transitions. [2024-11-17 07:30:51,074 INFO L78 Accepts]: Start accepts. Automaton has 5515 states and 7690 transitions. Word has length 140 [2024-11-17 07:30:51,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:51,074 INFO L471 AbstractCegarLoop]: Abstraction has 5515 states and 7690 transitions. [2024-11-17 07:30:51,075 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 07:30:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 7690 transitions. [2024-11-17 07:30:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-17 07:30:51,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:51,076 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 07:30:51,094 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 07:30:51,280 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 07:30:51,281 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 07:30:51,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:51,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2117894171, now seen corresponding path program 1 times [2024-11-17 07:30:51,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:51,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832423275] [2024-11-17 07:30:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:51,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:30:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:30:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:30:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 07:30:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:30:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,654 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 07:30:51,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:51,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832423275] [2024-11-17 07:30:51,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832423275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:51,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823171029] [2024-11-17 07:30:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:51,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:51,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:51,659 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 07:30:51,661 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 07:30:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:51,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:30:51,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:52,072 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 07:30:52,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:52,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823171029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:52,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:30:52,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-17 07:30:52,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903801156] [2024-11-17 07:30:52,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:52,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:30:52,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:52,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:30:52,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:30:52,075 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 07:30:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:52,335 INFO L93 Difference]: Finished difference Result 8430 states and 11720 transitions. [2024-11-17 07:30:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:30:52,336 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 07:30:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:52,342 INFO L225 Difference]: With dead ends: 8430 [2024-11-17 07:30:52,342 INFO L226 Difference]: Without dead ends: 2999 [2024-11-17 07:30:52,348 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 07:30:52,349 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 14 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 07:30:52,349 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 07:30:52,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2024-11-17 07:30:52,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2997. [2024-11-17 07:30:52,433 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 07:30:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4105 transitions. [2024-11-17 07:30:52,438 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4105 transitions. Word has length 141 [2024-11-17 07:30:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:52,439 INFO L471 AbstractCegarLoop]: Abstraction has 2997 states and 4105 transitions. [2024-11-17 07:30:52,439 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 07:30:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4105 transitions. [2024-11-17 07:30:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-17 07:30:52,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:52,440 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 07:30:52,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 07:30:52,644 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 07:30:52,645 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 07:30:52,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:52,645 INFO L85 PathProgramCache]: Analyzing trace with hash 789427535, now seen corresponding path program 1 times [2024-11-17 07:30:52,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:52,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531403780] [2024-11-17 07:30:52,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:52,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:52,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:30:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:30:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:52,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:30:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:53,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-17 07:30:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:53,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:30:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:53,070 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 07:30:53,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:53,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531403780] [2024-11-17 07:30:53,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531403780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:53,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148837613] [2024-11-17 07:30:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:53,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:53,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:53,072 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 07:30:53,073 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 07:30:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:53,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:30:53,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:53,536 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 07:30:53,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:30:53,651 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 07:30:53,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148837613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:30:53,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:30:53,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-17 07:30:53,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243472290] [2024-11-17 07:30:53,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:30:53,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:30:53,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:53,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:30:53,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:30:53,653 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 07:30:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:54,814 INFO L93 Difference]: Finished difference Result 5976 states and 8215 transitions. [2024-11-17 07:30:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-17 07:30:54,814 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 07:30:54,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:54,820 INFO L225 Difference]: With dead ends: 5976 [2024-11-17 07:30:54,820 INFO L226 Difference]: Without dead ends: 3072 [2024-11-17 07:30:54,823 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 07:30:54,824 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 07:30:54,824 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 07:30:54,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2024-11-17 07:30:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3040. [2024-11-17 07:30:54,878 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 07:30:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 4159 transitions. [2024-11-17 07:30:54,883 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 4159 transitions. Word has length 143 [2024-11-17 07:30:54,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:54,884 INFO L471 AbstractCegarLoop]: Abstraction has 3040 states and 4159 transitions. [2024-11-17 07:30:54,884 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 07:30:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 4159 transitions. [2024-11-17 07:30:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 07:30:54,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:54,885 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 07:30:54,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 07:30:55,085 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 07:30:55,086 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 07:30:55,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1075469563, now seen corresponding path program 2 times [2024-11-17 07:30:55,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:55,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187123898] [2024-11-17 07:30:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:55,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:55,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:30:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:30:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:55,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:30:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:55,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:30:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:55,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:30:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:55,583 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 07:30:55,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187123898] [2024-11-17 07:30:55,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187123898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139760707] [2024-11-17 07:30:55,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:30:55,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:55,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:55,585 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 07:30:55,586 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 07:30:55,864 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:30:55,864 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:30:55,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:30:55,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:55,872 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 07:30:55,881 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 07:30:55,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:30:55,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139760707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:30:55,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:30:55,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-17 07:30:55,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959899258] [2024-11-17 07:30:55,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:30:55,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:30:55,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:55,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:30:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:30:55,883 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 07:30:55,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:55,973 INFO L93 Difference]: Finished difference Result 3040 states and 4159 transitions. [2024-11-17 07:30:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:30:55,973 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 07:30:55,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:55,979 INFO L225 Difference]: With dead ends: 3040 [2024-11-17 07:30:55,979 INFO L226 Difference]: Without dead ends: 3039 [2024-11-17 07:30:55,980 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 07:30:55,980 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 07:30:55,980 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 07:30:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2024-11-17 07:30:56,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3039. [2024-11-17 07:30:56,032 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 07:30:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 4153 transitions. [2024-11-17 07:30:56,037 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 4153 transitions. Word has length 147 [2024-11-17 07:30:56,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:56,037 INFO L471 AbstractCegarLoop]: Abstraction has 3039 states and 4153 transitions. [2024-11-17 07:30:56,037 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 07:30:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 4153 transitions. [2024-11-17 07:30:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-17 07:30:56,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:56,042 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 07:30:56,068 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 07:30:56,242 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 07:30:56,243 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 07:30:56,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:56,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1020182698, now seen corresponding path program 1 times [2024-11-17 07:30:56,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:56,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208585215] [2024-11-17 07:30:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:30:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:30:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:56,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:30:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:30:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:56,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:30:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:56,706 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 07:30:56,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:30:56,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208585215] [2024-11-17 07:30:56,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208585215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:30:56,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994436305] [2024-11-17 07:30:56,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:56,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:30:56,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:30:56,709 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 07:30:56,713 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 07:30:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:30:57,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:30:57,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:30:57,247 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 07:30:57,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:30:57,499 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 07:30:57,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994436305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:30:57,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:30:57,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-17 07:30:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105213484] [2024-11-17 07:30:57,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:30:57,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-17 07:30:57,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:30:57,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-17 07:30:57,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-17 07:30:57,500 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 07:30:59,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:30:59,372 INFO L93 Difference]: Finished difference Result 6067 states and 8329 transitions. [2024-11-17 07:30:59,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-17 07:30:59,372 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 07:30:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:30:59,379 INFO L225 Difference]: With dead ends: 6067 [2024-11-17 07:30:59,379 INFO L226 Difference]: Without dead ends: 3106 [2024-11-17 07:30:59,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=534, Invalid=2888, Unknown=0, NotChecked=0, Total=3422 [2024-11-17 07:30:59,384 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 161 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:30:59,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 7037 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:30:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-11-17 07:30:59,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3084. [2024-11-17 07:30:59,453 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 07:30:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4201 transitions. [2024-11-17 07:30:59,459 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4201 transitions. Word has length 148 [2024-11-17 07:30:59,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:30:59,460 INFO L471 AbstractCegarLoop]: Abstraction has 3084 states and 4201 transitions. [2024-11-17 07:30:59,460 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 07:30:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4201 transitions. [2024-11-17 07:30:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-17 07:30:59,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:30:59,462 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 07:30:59,488 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 07:30:59,662 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 07:30:59,663 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 07:30:59,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:30:59,664 INFO L85 PathProgramCache]: Analyzing trace with hash 196718523, now seen corresponding path program 2 times [2024-11-17 07:30:59,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:30:59,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723449440] [2024-11-17 07:30:59,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:30:59,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:30:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:00,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:31:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:00,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:00,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:31:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:00,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:31:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 07:31:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:00,747 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 07:31:00,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:00,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723449440] [2024-11-17 07:31:00,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723449440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:31:00,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864657998] [2024-11-17 07:31:00,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:31:00,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:31:00,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:31:00,750 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 07:31:00,751 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 07:31:01,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:31:01,368 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:31:01,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-17 07:31:01,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:31:01,797 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 07:31:01,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:31:02,160 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 07:31:02,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864657998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:31:02,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:31:02,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 10] total 42 [2024-11-17 07:31:02,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469504086] [2024-11-17 07:31:02,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:31:02,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-17 07:31:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:02,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-17 07:31:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1521, Unknown=0, NotChecked=0, Total=1722 [2024-11-17 07:31:02,162 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 07:31:05,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:05,964 INFO L93 Difference]: Finished difference Result 6158 states and 8435 transitions. [2024-11-17 07:31:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-17 07:31:05,964 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 07:31:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:05,973 INFO L225 Difference]: With dead ends: 6158 [2024-11-17 07:31:05,973 INFO L226 Difference]: Without dead ends: 3164 [2024-11-17 07:31:05,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1955 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1075, Invalid=7481, Unknown=0, NotChecked=0, Total=8556 [2024-11-17 07:31:05,978 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 227 mSDsluCounter, 12435 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:31:05,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 12968 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 07:31:05,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2024-11-17 07:31:06,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 3128. [2024-11-17 07:31:06,106 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 07:31:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4238 transitions. [2024-11-17 07:31:06,112 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4238 transitions. Word has length 157 [2024-11-17 07:31:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:06,112 INFO L471 AbstractCegarLoop]: Abstraction has 3128 states and 4238 transitions. [2024-11-17 07:31:06,112 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 07:31:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4238 transitions. [2024-11-17 07:31:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 07:31:06,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:06,113 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 07:31:06,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 07:31:06,313 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 07:31:06,314 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 07:31:06,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:06,314 INFO L85 PathProgramCache]: Analyzing trace with hash 168076229, now seen corresponding path program 3 times [2024-11-17 07:31:06,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:06,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364451542] [2024-11-17 07:31:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:06,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:06,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:31:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:31:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:07,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:31:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:07,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 07:31:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:07,267 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 07:31:07,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:07,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364451542] [2024-11-17 07:31:07,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364451542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:31:07,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276938702] [2024-11-17 07:31:07,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:31:07,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:31:07,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:31:07,269 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 07:31:07,270 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 07:31:07,673 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 07:31:07,673 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:31:07,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:31:07,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:31:07,940 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 07:31:07,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:31:07,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276938702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:31:07,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:31:07,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 23 [2024-11-17 07:31:07,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879045246] [2024-11-17 07:31:07,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:31:07,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:31:07,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:07,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:31:07,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:31:07,942 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 07:31:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:08,387 INFO L93 Difference]: Finished difference Result 6248 states and 8487 transitions. [2024-11-17 07:31:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:31:08,387 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 07:31:08,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:08,394 INFO L225 Difference]: With dead ends: 6248 [2024-11-17 07:31:08,395 INFO L226 Difference]: Without dead ends: 3163 [2024-11-17 07:31:08,399 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 07:31:08,400 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 07:31:08,400 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 07:31:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2024-11-17 07:31:08,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 3156. [2024-11-17 07:31:08,487 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 07:31:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4266 transitions. [2024-11-17 07:31:08,494 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4266 transitions. Word has length 165 [2024-11-17 07:31:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:08,494 INFO L471 AbstractCegarLoop]: Abstraction has 3156 states and 4266 transitions. [2024-11-17 07:31:08,495 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 07:31:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4266 transitions. [2024-11-17 07:31:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-17 07:31:08,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:08,496 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 07:31:08,515 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 07:31:08,700 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 07:31:08,701 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 07:31:08,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:08,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1697153808, now seen corresponding path program 1 times [2024-11-17 07:31:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:08,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980291535] [2024-11-17 07:31:08,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:31:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:09,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:31:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:31:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:31:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:09,151 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 07:31:09,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:09,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980291535] [2024-11-17 07:31:09,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980291535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:31:09,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:31:09,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:31:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984438445] [2024-11-17 07:31:09,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:31:09,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:31:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:09,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:31:09,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:31:09,154 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 07:31:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:09,854 INFO L93 Difference]: Finished difference Result 6287 states and 8518 transitions. [2024-11-17 07:31:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:31:09,855 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 07:31:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:09,863 INFO L225 Difference]: With dead ends: 6287 [2024-11-17 07:31:09,863 INFO L226 Difference]: Without dead ends: 3177 [2024-11-17 07:31:09,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:31:09,867 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 53 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 07:31:09,868 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 07:31:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3177 states. [2024-11-17 07:31:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3177 to 3177. [2024-11-17 07:31:09,951 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 07:31:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4287 transitions. [2024-11-17 07:31:09,958 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4287 transitions. Word has length 167 [2024-11-17 07:31:09,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:09,958 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 4287 transitions. [2024-11-17 07:31:09,958 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 07:31:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4287 transitions. [2024-11-17 07:31:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-17 07:31:09,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:09,959 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 07:31:09,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-17 07:31:09,960 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 07:31:09,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:09,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1210084393, now seen corresponding path program 1 times [2024-11-17 07:31:09,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:09,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924349153] [2024-11-17 07:31:09,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:10,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:31:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:10,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:31:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:10,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:31:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:10,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:31:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:10,323 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 07:31:10,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:10,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924349153] [2024-11-17 07:31:10,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924349153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:31:10,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:31:10,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 07:31:10,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890340708] [2024-11-17 07:31:10,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:31:10,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:31:10,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:10,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:31:10,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:31:10,325 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 07:31:11,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:11,065 INFO L93 Difference]: Finished difference Result 6329 states and 8562 transitions. [2024-11-17 07:31:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:31:11,066 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 07:31:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:11,074 INFO L225 Difference]: With dead ends: 6329 [2024-11-17 07:31:11,074 INFO L226 Difference]: Without dead ends: 3212 [2024-11-17 07:31:11,077 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 07:31:11,078 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 57 mSDsluCounter, 3149 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:31:11,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3669 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:31:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2024-11-17 07:31:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3177. [2024-11-17 07:31:11,159 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 07:31:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4287 transitions. [2024-11-17 07:31:11,165 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4287 transitions. Word has length 167 [2024-11-17 07:31:11,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:11,165 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 4287 transitions. [2024-11-17 07:31:11,166 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 07:31:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4287 transitions. [2024-11-17 07:31:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-17 07:31:11,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:11,167 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 07:31:11,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 07:31:11,167 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 07:31:11,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:11,167 INFO L85 PathProgramCache]: Analyzing trace with hash 147677729, now seen corresponding path program 1 times [2024-11-17 07:31:11,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:11,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871084321] [2024-11-17 07:31:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:31:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:11,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:31:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:31:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:31:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:11,571 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 07:31:11,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:11,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871084321] [2024-11-17 07:31:11,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871084321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:31:11,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:31:11,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:31:11,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208586004] [2024-11-17 07:31:11,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:31:11,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:31:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:31:11,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:31:11,573 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 07:31:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:12,384 INFO L93 Difference]: Finished difference Result 6359 states and 8596 transitions. [2024-11-17 07:31:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:31:12,384 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 07:31:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:12,401 INFO L225 Difference]: With dead ends: 6359 [2024-11-17 07:31:12,401 INFO L226 Difference]: Without dead ends: 3247 [2024-11-17 07:31:12,405 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 07:31:12,410 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 65 mSDsluCounter, 3681 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:31:12,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 4201 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:31:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2024-11-17 07:31:12,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 3226. [2024-11-17 07:31:12,498 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 07:31:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 4350 transitions. [2024-11-17 07:31:12,505 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 4350 transitions. Word has length 168 [2024-11-17 07:31:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:12,505 INFO L471 AbstractCegarLoop]: Abstraction has 3226 states and 4350 transitions. [2024-11-17 07:31:12,505 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 07:31:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 4350 transitions. [2024-11-17 07:31:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-17 07:31:12,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:12,506 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 07:31:12,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-17 07:31:12,507 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 07:31:12,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:12,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1993158777, now seen corresponding path program 1 times [2024-11-17 07:31:12,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:12,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789039203] [2024-11-17 07:31:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:12,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:31:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:31:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:31:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:31:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,431 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 07:31:13,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:13,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789039203] [2024-11-17 07:31:13,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789039203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:31:13,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372596210] [2024-11-17 07:31:13,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:13,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:31:13,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:31:13,436 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 07:31:13,437 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 07:31:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:13,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 07:31:13,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:31:14,139 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 07:31:14,139 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:31:14,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372596210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:31:14,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:31:14,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 24 [2024-11-17 07:31:14,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037843231] [2024-11-17 07:31:14,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:31:14,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:31:14,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:14,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:31:14,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:31:14,141 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 07:31:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:14,589 INFO L93 Difference]: Finished difference Result 6450 states and 8713 transitions. [2024-11-17 07:31:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:31:14,589 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 07:31:14,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:14,596 INFO L225 Difference]: With dead ends: 6450 [2024-11-17 07:31:14,596 INFO L226 Difference]: Without dead ends: 3296 [2024-11-17 07:31:14,599 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 07:31:14,600 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 13 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 07:31:14,600 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 07:31:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2024-11-17 07:31:14,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3261. [2024-11-17 07:31:14,676 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 07:31:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4392 transitions. [2024-11-17 07:31:14,682 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4392 transitions. Word has length 168 [2024-11-17 07:31:14,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:14,682 INFO L471 AbstractCegarLoop]: Abstraction has 3261 states and 4392 transitions. [2024-11-17 07:31:14,682 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 07:31:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4392 transitions. [2024-11-17 07:31:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:31:14,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:14,683 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 07:31:14,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 07:31:14,887 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 07:31:14,888 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 07:31:14,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:14,888 INFO L85 PathProgramCache]: Analyzing trace with hash -423509584, now seen corresponding path program 1 times [2024-11-17 07:31:14,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:14,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072103879] [2024-11-17 07:31:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:15,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:31:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:15,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:15,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:31:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:31:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:31:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:15,319 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 07:31:15,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:15,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072103879] [2024-11-17 07:31:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072103879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:31:15,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:31:15,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-17 07:31:15,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419385802] [2024-11-17 07:31:15,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:31:15,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:31:15,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:15,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:31:15,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:31:15,322 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 07:31:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:16,262 INFO L93 Difference]: Finished difference Result 6513 states and 8797 transitions. [2024-11-17 07:31:16,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 07:31:16,263 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 07:31:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:16,269 INFO L225 Difference]: With dead ends: 6513 [2024-11-17 07:31:16,269 INFO L226 Difference]: Without dead ends: 3324 [2024-11-17 07:31:16,272 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 07:31:16,273 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 68 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:31:16,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 4663 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:31:16,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2024-11-17 07:31:16,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3282. [2024-11-17 07:31:16,399 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 07:31:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4413 transitions. [2024-11-17 07:31:16,407 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4413 transitions. Word has length 169 [2024-11-17 07:31:16,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:16,407 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4413 transitions. [2024-11-17 07:31:16,408 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 07:31:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4413 transitions. [2024-11-17 07:31:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:31:16,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:16,409 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 07:31:16,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-17 07:31:16,409 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 07:31:16,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:16,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1930035466, now seen corresponding path program 1 times [2024-11-17 07:31:16,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:16,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717429153] [2024-11-17 07:31:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:16,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:16,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:31:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:16,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:16,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:31:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:31:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:17,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:31:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:17,219 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 07:31:17,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:17,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717429153] [2024-11-17 07:31:17,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717429153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:31:17,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791403191] [2024-11-17 07:31:17,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:17,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:31:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:31:17,221 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 07:31:17,222 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 07:31:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:17,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-17 07:31:17,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:31:18,171 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 07:31:18,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:31:18,811 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 07:31:18,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791403191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:31:18,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:31:18,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-11-17 07:31:18,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924885411] [2024-11-17 07:31:18,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:31:18,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 07:31:18,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:31:18,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 07:31:18,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 07:31:18,814 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 07:31:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:31:24,004 INFO L93 Difference]: Finished difference Result 6550 states and 8875 transitions. [2024-11-17 07:31:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-17 07:31:24,004 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 07:31:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:31:24,010 INFO L225 Difference]: With dead ends: 6550 [2024-11-17 07:31:24,010 INFO L226 Difference]: Without dead ends: 3381 [2024-11-17 07:31:24,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2235 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1764, Invalid=8136, Unknown=0, NotChecked=0, Total=9900 [2024-11-17 07:31:24,016 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 187 mSDsluCounter, 12411 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:31:24,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 12944 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2834 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 07:31:24,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3381 states. [2024-11-17 07:31:24,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3381 to 3360. [2024-11-17 07:31:24,172 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 07:31:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4491 transitions. [2024-11-17 07:31:24,178 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4491 transitions. Word has length 169 [2024-11-17 07:31:24,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:31:24,178 INFO L471 AbstractCegarLoop]: Abstraction has 3360 states and 4491 transitions. [2024-11-17 07:31:24,178 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 07:31:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4491 transitions. [2024-11-17 07:31:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:31:24,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:31:24,179 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 07:31:24,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 07:31:24,383 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 07:31:24,384 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 07:31:24,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:31:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash 355821541, now seen corresponding path program 2 times [2024-11-17 07:31:24,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:31:24,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96148336] [2024-11-17 07:31:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:31:24,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:31:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:31:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:31:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:31:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 07:31:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 07:31:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:31:26,045 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 07:31:26,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:31:26,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96148336] [2024-11-17 07:31:26,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96148336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:31:26,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911236921] [2024-11-17 07:31:26,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:31:26,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:31:26,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:31:26,048 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 07:31:26,049 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 07:31:27,200 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:31:27,200 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:31:27,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 263 conjuncts are in the unsatisfiable core [2024-11-17 07:31:27,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:31:27,225 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 07:31:27,413 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-17 07:31:27,414 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 07:31:27,456 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 07:31:27,461 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 07:31:27,551 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 07:31:27,554 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 07:31:28,250 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 07:31:28,250 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 07:31:28,254 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 07:31:28,334 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2024-11-17 07:31:28,335 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 07:31:28,364 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:31:28,365 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 07:31:28,400 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:31:28,401 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 07:31:28,423 INFO L349 Elim1Store]: treesize reduction 247, result has 0.4 percent of original size [2024-11-17 07:31:28,423 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 07:31:28,444 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:31:28,445 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 07:31:28,478 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:31:28,479 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 07:31:28,504 INFO L349 Elim1Store]: treesize reduction 101, result has 27.3 percent of original size [2024-11-17 07:31:28,504 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 07:31:28,580 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 07:31:28,600 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 07:31:30,355 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:31:30,355 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 07:31:30,411 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:31:30,412 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 07:31:30,429 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:31:30,429 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 07:31:30,526 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:31:30,527 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 07:31:30,542 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 07:31:30,555 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 07:31:30,684 INFO L349 Elim1Store]: treesize reduction 247, result has 0.4 percent of original size [2024-11-17 07:31:30,685 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 07:31:30,710 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:31:30,711 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 07:31:30,728 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2024-11-17 07:31:30,728 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 07:31:30,751 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:31:30,751 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 07:31:30,789 INFO L349 Elim1Store]: treesize reduction 243, result has 0.4 percent of original size [2024-11-17 07:31:30,789 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 07:31:30,810 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:31:30,810 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 07:31:30,835 INFO L349 Elim1Store]: treesize reduction 445, result has 0.2 percent of original size [2024-11-17 07:31:30,836 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 07:31:30,856 INFO L349 Elim1Store]: treesize reduction 247, result has 0.4 percent of original size [2024-11-17 07:31:30,856 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 07:31:30,874 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:31:30,874 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 07:31:30,907 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:31:30,907 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 07:31:30,927 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 07:31:30,939 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 07:31:31,074 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:31:31,074 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 07:31:31,097 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:31:31,098 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 07:31:31,116 INFO L349 Elim1Store]: treesize reduction 345, result has 0.3 percent of original size [2024-11-17 07:31:31,116 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 07:31:31,135 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-11-17 07:31:31,136 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 07:31:31,166 INFO L349 Elim1Store]: treesize reduction 96, result has 25.0 percent of original size [2024-11-17 07:31:31,167 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 07:31:31,185 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 07:31:31,198 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