./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:28:15,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:28:15,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:28:15,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:28:15,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:28:15,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:28:15,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:28:15,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:28:15,870 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:28:15,871 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:28:15,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:28:15,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:28:15,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:28:15,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:28:15,873 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:28:15,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:28:15,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:28:15,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:28:15,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:28:15,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:28:15,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:28:15,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:28:15,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:28:15,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:28:15,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:28:15,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:28:15,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:28:15,878 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:28:15,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:28:15,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:28:15,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:28:15,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:28:15,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:28:15,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:28:15,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:28:15,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:28:15,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:28:15,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:28:15,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:28:15,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:28:15,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:28:15,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:28:15,882 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:28:15,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:28:15,883 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d952a2ac4207d7207b65e88d163e23d18bb81c0593196a835eab903a81ce4e5c [2024-10-11 23:28:16,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:28:16,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:28:16,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:28:16,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:28:16,152 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:28:16,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2024-10-11 23:28:17,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:28:17,821 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:28:17,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-2.i [2024-10-11 23:28:17,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2f4f8e180/9814a6925d9c4c339e4f7d9f446368fd/FLAG24906f97d [2024-10-11 23:28:17,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2f4f8e180/9814a6925d9c4c339e4f7d9f446368fd [2024-10-11 23:28:17,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:28:17,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:28:17,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:28:17,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:28:17,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:28:17,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:28:17" (1/1) ... [2024-10-11 23:28:17,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8daf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:17, skipping insertion in model container [2024-10-11 23:28:17,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:28:17" (1/1) ... [2024-10-11 23:28:17,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:28:18,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:28:18,623 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:28:18,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:28:18,812 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:28:18,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18 WrapperNode [2024-10-11 23:28:18,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:28:18,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:28:18,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:28:18,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:28:18,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:18,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:18,936 INFO L138 Inliner]: procedures = 282, calls = 343, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1648 [2024-10-11 23:28:18,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:28:18,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:28:18,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:28:18,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:28:18,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:18,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:18,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,063 INFO L175 MemorySlicer]: Split 309 memory accesses to 4 slices as follows [2, 3, 34, 270]. 87 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 63 writes are split as follows [0, 2, 4, 57]. [2024-10-11 23:28:19,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:28:19,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:28:19,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:28:19,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:28:19,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (1/1) ... [2024-10-11 23:28:19,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:28:19,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:19,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:28:19,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:28:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:28:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:28:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:28:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-11 23:28:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:28:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:28:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:28:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-11 23:28:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-11 23:28:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:28:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:28:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:28:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 23:28:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:28:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:28:19,549 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:28:19,551 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:28:21,157 INFO L? ?]: Removed 376 outVars from TransFormulas that were not future-live. [2024-10-11 23:28:21,157 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:28:21,218 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:28:21,221 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-11 23:28:21,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:28:21 BoogieIcfgContainer [2024-10-11 23:28:21,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:28:21,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:28:21,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:28:21,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:28:21,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:28:17" (1/3) ... [2024-10-11 23:28:21,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac8c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:28:21, skipping insertion in model container [2024-10-11 23:28:21,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:18" (2/3) ... [2024-10-11 23:28:21,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac8c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:28:21, skipping insertion in model container [2024-10-11 23:28:21,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:28:21" (3/3) ... [2024-10-11 23:28:21,231 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-2.i [2024-10-11 23:28:21,247 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:28:21,248 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-11 23:28:21,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:28:21,324 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;@21e4ccef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:28:21,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-11 23:28:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 490 states, 451 states have (on average 1.6208425720620843) internal successors, (731), 468 states have internal predecessors, (731), 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) [2024-10-11 23:28:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:28:21,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:21,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:28:21,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:21,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:21,340 INFO L85 PathProgramCache]: Analyzing trace with hash 612313603, now seen corresponding path program 1 times [2024-10-11 23:28:21,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:21,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602753066] [2024-10-11 23:28:21,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:21,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:21,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:21,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602753066] [2024-10-11 23:28:21,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602753066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:21,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:21,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:28:21,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318739186] [2024-10-11 23:28:21,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:21,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:28:21,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:21,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:28:21,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:28:21,553 INFO L87 Difference]: Start difference. First operand has 490 states, 451 states have (on average 1.6208425720620843) internal successors, (731), 468 states have internal predecessors, (731), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 23:28:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:21,668 INFO L93 Difference]: Finished difference Result 974 states and 1548 transitions. [2024-10-11 23:28:21,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:28:21,675 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-11 23:28:21,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:21,691 INFO L225 Difference]: With dead ends: 974 [2024-10-11 23:28:21,693 INFO L226 Difference]: Without dead ends: 478 [2024-10-11 23:28:21,699 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 [2024-10-11 23:28:21,705 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:21,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 675 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:28:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-11 23:28:21,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2024-10-11 23:28:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 445 states have (on average 1.447191011235955) internal successors, (644), 459 states have internal predecessors, (644), 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) [2024-10-11 23:28:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 674 transitions. [2024-10-11 23:28:21,787 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 674 transitions. Word has length 6 [2024-10-11 23:28:21,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:21,787 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 674 transitions. [2024-10-11 23:28:21,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 23:28:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 674 transitions. [2024-10-11 23:28:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:28:21,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:21,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:28:21,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:28:21,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:21,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:21,790 INFO L85 PathProgramCache]: Analyzing trace with hash 612315525, now seen corresponding path program 1 times [2024-10-11 23:28:21,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:21,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997598361] [2024-10-11 23:28:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:21,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:28:21,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717985054] [2024-10-11 23:28:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:21,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:21,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:21,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:21,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:28:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:22,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 23:28:22,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:22,121 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 [2024-10-11 23:28:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:22,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:22,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:22,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997598361] [2024-10-11 23:28:22,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:28:22,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717985054] [2024-10-11 23:28:22,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717985054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:22,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:22,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:28:22,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353854072] [2024-10-11 23:28:22,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:22,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:22,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:22,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:22,153 INFO L87 Difference]: Start difference. First operand 478 states and 674 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-11 23:28:22,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:22,354 INFO L93 Difference]: Finished difference Result 927 states and 1320 transitions. [2024-10-11 23:28:22,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:28:22,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-11 23:28:22,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:22,359 INFO L225 Difference]: With dead ends: 927 [2024-10-11 23:28:22,360 INFO L226 Difference]: Without dead ends: 925 [2024-10-11 23:28:22,361 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 [2024-10-11 23:28:22,364 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 611 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:22,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1996 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-10-11 23:28:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 484. [2024-10-11 23:28:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 451 states have (on average 1.4434589800443458) internal successors, (651), 465 states have internal predecessors, (651), 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) [2024-10-11 23:28:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 681 transitions. [2024-10-11 23:28:22,417 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 681 transitions. Word has length 6 [2024-10-11 23:28:22,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:22,417 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 681 transitions. [2024-10-11 23:28:22,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-11 23:28:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 681 transitions. [2024-10-11 23:28:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 23:28:22,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:22,420 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] [2024-10-11 23:28:22,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:22,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:22,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:22,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:22,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1096986538, now seen corresponding path program 1 times [2024-10-11 23:28:22,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:22,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778443112] [2024-10-11 23:28:22,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:22,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:22,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 23:28:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 23:28:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:22,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 23:28:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:28:22,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:22,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778443112] [2024-10-11 23:28:22,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778443112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:22,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:22,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:28:22,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989953836] [2024-10-11 23:28:22,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:22,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:22,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:22,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:22,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:22,923 INFO L87 Difference]: Start difference. First operand 484 states and 681 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 23:28:23,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:23,086 INFO L93 Difference]: Finished difference Result 1175 states and 1671 transitions. [2024-10-11 23:28:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:28:23,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 33 [2024-10-11 23:28:23,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:23,094 INFO L225 Difference]: With dead ends: 1175 [2024-10-11 23:28:23,095 INFO L226 Difference]: Without dead ends: 924 [2024-10-11 23:28:23,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:28:23,097 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 612 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:23,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 2035 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:23,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-10-11 23:28:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 484. [2024-10-11 23:28:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 451 states have (on average 1.441241685144124) internal successors, (650), 465 states have internal predecessors, (650), 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) [2024-10-11 23:28:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 680 transitions. [2024-10-11 23:28:23,122 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 680 transitions. Word has length 33 [2024-10-11 23:28:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:23,123 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 680 transitions. [2024-10-11 23:28:23,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 23:28:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 680 transitions. [2024-10-11 23:28:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 23:28:23,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:23,125 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] [2024-10-11 23:28:23,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:28:23,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:23,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:23,127 INFO L85 PathProgramCache]: Analyzing trace with hash -630495610, now seen corresponding path program 1 times [2024-10-11 23:28:23,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:23,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810847948] [2024-10-11 23:28:23,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:23,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:23,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:23,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810847948] [2024-10-11 23:28:23,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810847948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:23,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:23,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:28:23,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597264586] [2024-10-11 23:28:23,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:23,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:23,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:23,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:23,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:23,388 INFO L87 Difference]: Start difference. First operand 484 states and 680 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-11 23:28:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:23,497 INFO L93 Difference]: Finished difference Result 919 states and 1287 transitions. [2024-10-11 23:28:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:28:23,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 62 [2024-10-11 23:28:23,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:23,501 INFO L225 Difference]: With dead ends: 919 [2024-10-11 23:28:23,502 INFO L226 Difference]: Without dead ends: 442 [2024-10-11 23:28:23,503 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 [2024-10-11 23:28:23,505 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 30 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:23,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1675 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-11 23:28:23,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-10-11 23:28:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 409 states have (on average 1.4009779951100245) internal successors, (573), 423 states have internal predecessors, (573), 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) [2024-10-11 23:28:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 603 transitions. [2024-10-11 23:28:23,522 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 603 transitions. Word has length 62 [2024-10-11 23:28:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:23,522 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 603 transitions. [2024-10-11 23:28:23,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-11 23:28:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 603 transitions. [2024-10-11 23:28:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 23:28:23,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:23,524 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] [2024-10-11 23:28:23,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:28:23,525 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:23,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1694695558, now seen corresponding path program 1 times [2024-10-11 23:28:23,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:23,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715832884] [2024-10-11 23:28:23,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:23,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:23,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:23,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715832884] [2024-10-11 23:28:23,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715832884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:23,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:23,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:28:23,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441191489] [2024-10-11 23:28:23,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:23,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:23,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:23,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:23,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:23,788 INFO L87 Difference]: Start difference. First operand 442 states and 603 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-11 23:28:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:23,876 INFO L93 Difference]: Finished difference Result 811 states and 1114 transitions. [2024-10-11 23:28:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:28:23,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 62 [2024-10-11 23:28:23,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:23,883 INFO L225 Difference]: With dead ends: 811 [2024-10-11 23:28:23,886 INFO L226 Difference]: Without dead ends: 807 [2024-10-11 23:28:23,887 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 [2024-10-11 23:28:23,888 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 437 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:23,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1731 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:23,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2024-10-11 23:28:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 799. [2024-10-11 23:28:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 758 states have (on average 1.4063324538258575) internal successors, (1066), 774 states have internal predecessors, (1066), 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) [2024-10-11 23:28:23,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1110 transitions. [2024-10-11 23:28:23,913 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1110 transitions. Word has length 62 [2024-10-11 23:28:23,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:23,914 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1110 transitions. [2024-10-11 23:28:23,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-11 23:28:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1110 transitions. [2024-10-11 23:28:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 23:28:23,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:23,917 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] [2024-10-11 23:28:23,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:28:23,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:23,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:23,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1581839952, now seen corresponding path program 1 times [2024-10-11 23:28:23,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:23,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689237709] [2024-10-11 23:28:23,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:23,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:24,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:24,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689237709] [2024-10-11 23:28:24,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689237709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:24,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:24,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:28:24,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077095627] [2024-10-11 23:28:24,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:24,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:24,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:24,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:24,157 INFO L87 Difference]: Start difference. First operand 799 states and 1110 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-10-11 23:28:24,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:24,362 INFO L93 Difference]: Finished difference Result 1068 states and 1481 transitions. [2024-10-11 23:28:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:28:24,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 71 [2024-10-11 23:28:24,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:24,368 INFO L225 Difference]: With dead ends: 1068 [2024-10-11 23:28:24,368 INFO L226 Difference]: Without dead ends: 1066 [2024-10-11 23:28:24,369 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 [2024-10-11 23:28:24,370 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 489 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:24,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1663 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:24,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-10-11 23:28:24,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1056. [2024-10-11 23:28:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1002 states have (on average 1.4121756487025947) internal successors, (1415), 1019 states have internal predecessors, (1415), 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) [2024-10-11 23:28:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1479 transitions. [2024-10-11 23:28:24,408 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1479 transitions. Word has length 71 [2024-10-11 23:28:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:24,409 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1479 transitions. [2024-10-11 23:28:24,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-10-11 23:28:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1479 transitions. [2024-10-11 23:28:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 23:28:24,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:24,412 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] [2024-10-11 23:28:24,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:28:24,412 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:24,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash 318405018, now seen corresponding path program 1 times [2024-10-11 23:28:24,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:24,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955352342] [2024-10-11 23:28:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:24,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:24,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:24,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:24,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955352342] [2024-10-11 23:28:24,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955352342] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:24,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364104485] [2024-10-11 23:28:24,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:24,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:24,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:24,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:28:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:25,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 23:28:25,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:25,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:25,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364104485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:25,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:25,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-11 23:28:25,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656986309] [2024-10-11 23:28:25,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:25,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:28:25,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:28:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:28:25,212 INFO L87 Difference]: Start difference. First operand 1056 states and 1479 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-10-11 23:28:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:25,330 INFO L93 Difference]: Finished difference Result 1427 states and 1991 transitions. [2024-10-11 23:28:25,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:28:25,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 78 [2024-10-11 23:28:25,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:25,338 INFO L225 Difference]: With dead ends: 1427 [2024-10-11 23:28:25,338 INFO L226 Difference]: Without dead ends: 1426 [2024-10-11 23:28:25,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:28:25,340 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 555 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:25,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1653 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:25,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-10-11 23:28:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1377. [2024-10-11 23:28:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1316 states have (on average 1.4141337386018238) internal successors, (1861), 1335 states have internal predecessors, (1861), 37 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (37), 30 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-11 23:28:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1935 transitions. [2024-10-11 23:28:25,379 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1935 transitions. Word has length 78 [2024-10-11 23:28:25,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:25,380 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1935 transitions. [2024-10-11 23:28:25,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-10-11 23:28:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1935 transitions. [2024-10-11 23:28:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 23:28:25,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:25,381 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] [2024-10-11 23:28:25,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:28:25,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:25,582 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:25,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1280621007, now seen corresponding path program 1 times [2024-10-11 23:28:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:25,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191342280] [2024-10-11 23:28:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:25,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:26,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:26,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191342280] [2024-10-11 23:28:26,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191342280] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:26,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94795692] [2024-10-11 23:28:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:26,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:26,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:26,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:26,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:28:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:26,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:28:26,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:26,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:28:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:26,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94795692] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:28:26,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:28:26,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-10-11 23:28:26,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11076209] [2024-10-11 23:28:26,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:28:26,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 23:28:26,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:26,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 23:28:26,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-10-11 23:28:26,702 INFO L87 Difference]: Start difference. First operand 1377 states and 1935 transitions. Second operand has 19 states, 18 states have (on average 11.833333333333334) internal successors, (213), 15 states have internal predecessors, (213), 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) [2024-10-11 23:28:28,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:28,637 INFO L93 Difference]: Finished difference Result 3721 states and 5212 transitions. [2024-10-11 23:28:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-11 23:28:28,638 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 11.833333333333334) internal successors, (213), 15 states have internal predecessors, (213), 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 79 [2024-10-11 23:28:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:28,651 INFO L225 Difference]: With dead ends: 3721 [2024-10-11 23:28:28,652 INFO L226 Difference]: Without dead ends: 3719 [2024-10-11 23:28:28,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2024-10-11 23:28:28,654 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 5594 mSDsluCounter, 6081 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5619 SdHoareTripleChecker+Valid, 6715 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:28,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5619 Valid, 6715 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 23:28:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2024-10-11 23:28:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 2752. [2024-10-11 23:28:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 2632 states have (on average 1.3962765957446808) internal successors, (3675), 2653 states have internal predecessors, (3675), 83 states have call successors, (83), 28 states have call predecessors, (83), 23 states have return successors, (106), 70 states have call predecessors, (106), 83 states have call successors, (106) [2024-10-11 23:28:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3864 transitions. [2024-10-11 23:28:28,733 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3864 transitions. Word has length 79 [2024-10-11 23:28:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:28,733 INFO L471 AbstractCegarLoop]: Abstraction has 2752 states and 3864 transitions. [2024-10-11 23:28:28,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 11.833333333333334) internal successors, (213), 15 states have internal predecessors, (213), 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) [2024-10-11 23:28:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3864 transitions. [2024-10-11 23:28:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:28:28,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:28,735 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] [2024-10-11 23:28:28,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 23:28:28,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:28,936 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:28,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:28,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1237871349, now seen corresponding path program 1 times [2024-10-11 23:28:28,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:28,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814967254] [2024-10-11 23:28:28,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:29,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:29,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814967254] [2024-10-11 23:28:29,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814967254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:29,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:29,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:28:29,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740768186] [2024-10-11 23:28:29,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:29,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:28:29,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:29,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:28:29,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:28:29,078 INFO L87 Difference]: Start difference. First operand 2752 states and 3864 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-11 23:28:29,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:29,276 INFO L93 Difference]: Finished difference Result 5765 states and 8133 transitions. [2024-10-11 23:28:29,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:28:29,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2024-10-11 23:28:29,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:29,289 INFO L225 Difference]: With dead ends: 5765 [2024-10-11 23:28:29,289 INFO L226 Difference]: Without dead ends: 3020 [2024-10-11 23:28:29,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:28:29,294 INFO L432 NwaCegarLoop]: 808 mSDtfsCounter, 342 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:29,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1356 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:29,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2024-10-11 23:28:29,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 2909. [2024-10-11 23:28:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2795 states have (on average 1.4089445438282648) internal successors, (3938), 2815 states have internal predecessors, (3938), 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) [2024-10-11 23:28:29,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4120 transitions. [2024-10-11 23:28:29,385 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4120 transitions. Word has length 80 [2024-10-11 23:28:29,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:29,385 INFO L471 AbstractCegarLoop]: Abstraction has 2909 states and 4120 transitions. [2024-10-11 23:28:29,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-11 23:28:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4120 transitions. [2024-10-11 23:28:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 23:28:29,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:29,386 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:28:29,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:28:29,387 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:29,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:29,387 INFO L85 PathProgramCache]: Analyzing trace with hash 593112272, now seen corresponding path program 1 times [2024-10-11 23:28:29,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:29,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246888849] [2024-10-11 23:28:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:29,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:28:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:28:29,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:29,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246888849] [2024-10-11 23:28:29,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246888849] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:29,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100999882] [2024-10-11 23:28:29,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:29,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:29,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:29,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:29,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:28:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:30,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:28:30,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:30,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:30,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100999882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:30,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:30,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-11 23:28:30,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717114992] [2024-10-11 23:28:30,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:30,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:30,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:30,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:30,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:28:30,151 INFO L87 Difference]: Start difference. First operand 2909 states and 4120 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 23:28:30,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:30,282 INFO L93 Difference]: Finished difference Result 2909 states and 4120 transitions. [2024-10-11 23:28:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:28:30,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 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 87 [2024-10-11 23:28:30,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:30,294 INFO L225 Difference]: With dead ends: 2909 [2024-10-11 23:28:30,294 INFO L226 Difference]: Without dead ends: 2908 [2024-10-11 23:28:30,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:28:30,297 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 1121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:30,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 578 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:30,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2024-10-11 23:28:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2908. [2024-10-11 23:28:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2795 states have (on average 1.4071556350626118) internal successors, (3933), 2814 states have internal predecessors, (3933), 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) [2024-10-11 23:28:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4115 transitions. [2024-10-11 23:28:30,394 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4115 transitions. Word has length 87 [2024-10-11 23:28:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:30,394 INFO L471 AbstractCegarLoop]: Abstraction has 2908 states and 4115 transitions. [2024-10-11 23:28:30,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 23:28:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4115 transitions. [2024-10-11 23:28:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 23:28:30,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:30,396 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:28:30,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:30,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 23:28:30,597 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:30,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:30,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1206611317, now seen corresponding path program 1 times [2024-10-11 23:28:30,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:30,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127080676] [2024-10-11 23:28:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:30,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:28:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:28:30,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:30,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127080676] [2024-10-11 23:28:30,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127080676] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:30,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510786525] [2024-10-11 23:28:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:31,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:31,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:28:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:31,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 23:28:31,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:31,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:28:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:28:31,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510786525] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:28:31,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:28:31,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-11 23:28:31,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486519154] [2024-10-11 23:28:31,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:28:31,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 23:28:31,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:31,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 23:28:31,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:28:31,644 INFO L87 Difference]: Start difference. First operand 2908 states and 4115 transitions. Second operand has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 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) [2024-10-11 23:28:32,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:32,619 INFO L93 Difference]: Finished difference Result 5818 states and 8241 transitions. [2024-10-11 23:28:32,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:28:32,620 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 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 88 [2024-10-11 23:28:32,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:32,642 INFO L225 Difference]: With dead ends: 5818 [2024-10-11 23:28:32,642 INFO L226 Difference]: Without dead ends: 5817 [2024-10-11 23:28:32,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-10-11 23:28:32,646 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 2434 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:32,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 4717 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:28:32,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2024-10-11 23:28:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5384. [2024-10-11 23:28:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5384 states, 5162 states have (on average 1.408175125920186) internal successors, (7269), 5186 states have internal predecessors, (7269), 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) [2024-10-11 23:28:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5384 states to 5384 states and 7625 transitions. [2024-10-11 23:28:32,810 INFO L78 Accepts]: Start accepts. Automaton has 5384 states and 7625 transitions. Word has length 88 [2024-10-11 23:28:32,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:32,810 INFO L471 AbstractCegarLoop]: Abstraction has 5384 states and 7625 transitions. [2024-10-11 23:28:32,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 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) [2024-10-11 23:28:32,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5384 states and 7625 transitions. [2024-10-11 23:28:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 23:28:32,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:32,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:28:32,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:33,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 23:28:33,013 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:33,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2038052979, now seen corresponding path program 1 times [2024-10-11 23:28:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:33,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317414543] [2024-10-11 23:28:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:33,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:33,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:28:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 23:28:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 23:28:33,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317414543] [2024-10-11 23:28:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317414543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:33,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:33,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:28:33,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435326984] [2024-10-11 23:28:33,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:33,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:28:33,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:33,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:28:33,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:28:33,488 INFO L87 Difference]: Start difference. First operand 5384 states and 7625 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-11 23:28:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:34,191 INFO L93 Difference]: Finished difference Result 7610 states and 10842 transitions. [2024-10-11 23:28:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:28:34,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 112 [2024-10-11 23:28:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:34,239 INFO L225 Difference]: With dead ends: 7610 [2024-10-11 23:28:34,239 INFO L226 Difference]: Without dead ends: 7608 [2024-10-11 23:28:34,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:28:34,246 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 481 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:34,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2496 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:28:34,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7608 states. [2024-10-11 23:28:34,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7608 to 5552. [2024-10-11 23:28:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5321 states have (on average 1.4033076489381695) internal successors, (7467), 5346 states have internal predecessors, (7467), 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) [2024-10-11 23:28:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 7844 transitions. [2024-10-11 23:28:34,571 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 7844 transitions. Word has length 112 [2024-10-11 23:28:34,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:34,571 INFO L471 AbstractCegarLoop]: Abstraction has 5552 states and 7844 transitions. [2024-10-11 23:28:34,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-11 23:28:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 7844 transitions. [2024-10-11 23:28:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 23:28:34,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:34,575 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:28:34,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 23:28:34,576 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:34,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1963744125, now seen corresponding path program 1 times [2024-10-11 23:28:34,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347198135] [2024-10-11 23:28:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:34,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:28:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 23:28:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:28:34,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:34,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347198135] [2024-10-11 23:28:34,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347198135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:34,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157109896] [2024-10-11 23:28:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:34,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:34,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:34,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:34,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:28:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:35,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 23:28:35,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 23:28:35,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:35,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157109896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:35,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:35,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-11 23:28:35,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785596289] [2024-10-11 23:28:35,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:35,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:28:35,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:35,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:28:35,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:28:35,486 INFO L87 Difference]: Start difference. First operand 5552 states and 7844 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-11 23:28:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:35,841 INFO L93 Difference]: Finished difference Result 10599 states and 15025 transitions. [2024-10-11 23:28:35,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:28:35,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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 118 [2024-10-11 23:28:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:35,857 INFO L225 Difference]: With dead ends: 10599 [2024-10-11 23:28:35,857 INFO L226 Difference]: Without dead ends: 5354 [2024-10-11 23:28:35,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-11 23:28:35,867 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 82 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 3266 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:35,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 3266 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:28:35,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5354 states. [2024-10-11 23:28:36,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5354 to 5354. [2024-10-11 23:28:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5354 states, 5140 states have (on average 1.4071984435797666) internal successors, (7233), 5163 states have internal predecessors, (7233), 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) [2024-10-11 23:28:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 7582 transitions. [2024-10-11 23:28:36,049 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 7582 transitions. Word has length 118 [2024-10-11 23:28:36,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:36,049 INFO L471 AbstractCegarLoop]: Abstraction has 5354 states and 7582 transitions. [2024-10-11 23:28:36,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-11 23:28:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 7582 transitions. [2024-10-11 23:28:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 23:28:36,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:36,051 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:28:36,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:36,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 23:28:36,252 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:36,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:36,253 INFO L85 PathProgramCache]: Analyzing trace with hash -793576872, now seen corresponding path program 1 times [2024-10-11 23:28:36,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:36,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300882865] [2024-10-11 23:28:36,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:36,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:28:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 23:28:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 23:28:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 23:28:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 23:28:36,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:36,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300882865] [2024-10-11 23:28:36,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300882865] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:36,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315220034] [2024-10-11 23:28:36,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:36,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:36,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:36,787 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:36,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 23:28:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:37,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:28:37,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:37,212 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 [2024-10-11 23:28:37,232 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 [2024-10-11 23:28:37,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-11 23:28:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 23:28:37,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:37,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315220034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:37,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:37,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-11 23:28:37,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255968911] [2024-10-11 23:28:37,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:37,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:28:37,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:37,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:28:38,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-11 23:28:38,000 INFO L87 Difference]: Start difference. First operand 5354 states and 7582 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 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) [2024-10-11 23:28:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:39,502 INFO L93 Difference]: Finished difference Result 12733 states and 18114 transitions. [2024-10-11 23:28:39,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:28:39,503 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 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 123 [2024-10-11 23:28:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:39,522 INFO L225 Difference]: With dead ends: 12733 [2024-10-11 23:28:39,522 INFO L226 Difference]: Without dead ends: 7424 [2024-10-11 23:28:39,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:28:39,534 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 652 mSDsluCounter, 2876 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:39,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 3436 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 23:28:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7424 states. [2024-10-11 23:28:39,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7424 to 5354. [2024-10-11 23:28:39,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5354 states, 5140 states have (on average 1.4070038910505838) internal successors, (7232), 5163 states have internal predecessors, (7232), 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) [2024-10-11 23:28:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 7581 transitions. [2024-10-11 23:28:39,707 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 7581 transitions. Word has length 123 [2024-10-11 23:28:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:39,708 INFO L471 AbstractCegarLoop]: Abstraction has 5354 states and 7581 transitions. [2024-10-11 23:28:39,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 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) [2024-10-11 23:28:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 7581 transitions. [2024-10-11 23:28:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 23:28:39,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:39,710 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:28:39,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:39,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:39,911 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:39,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:39,912 INFO L85 PathProgramCache]: Analyzing trace with hash 817925879, now seen corresponding path program 1 times [2024-10-11 23:28:39,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:39,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678814480] [2024-10-11 23:28:39,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:39,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:28:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:28:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 23:28:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 23:28:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 23:28:40,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:40,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678814480] [2024-10-11 23:28:40,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678814480] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:40,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83644679] [2024-10-11 23:28:40,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:40,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:40,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:40,460 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:40,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 23:28:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 23:28:40,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:41,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:41,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83644679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:41,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:41,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-10-11 23:28:41,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434629110] [2024-10-11 23:28:41,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:41,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:28:41,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:28:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:28:41,050 INFO L87 Difference]: Start difference. First operand 5354 states and 7581 transitions. Second operand has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 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) [2024-10-11 23:28:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:41,349 INFO L93 Difference]: Finished difference Result 8150 states and 11516 transitions. [2024-10-11 23:28:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:28:41,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 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 124 [2024-10-11 23:28:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:41,359 INFO L225 Difference]: With dead ends: 8150 [2024-10-11 23:28:41,359 INFO L226 Difference]: Without dead ends: 2887 [2024-10-11 23:28:41,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 23:28:41,369 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 13 mSDsluCounter, 3966 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:41,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4538 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2024-10-11 23:28:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2885. [2024-10-11 23:28:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2747 states have (on average 1.3971605387695667) internal successors, (3838), 2763 states have internal predecessors, (3838), 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) [2024-10-11 23:28:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 4021 transitions. [2024-10-11 23:28:41,469 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 4021 transitions. Word has length 124 [2024-10-11 23:28:41,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:41,470 INFO L471 AbstractCegarLoop]: Abstraction has 2885 states and 4021 transitions. [2024-10-11 23:28:41,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 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) [2024-10-11 23:28:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 4021 transitions. [2024-10-11 23:28:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 23:28:41,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:41,471 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:28:41,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 23:28:41,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 23:28:41,676 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:41,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1317827799, now seen corresponding path program 1 times [2024-10-11 23:28:41,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:41,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772965199] [2024-10-11 23:28:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:28:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:28:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:28:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 23:28:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 23:28:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772965199] [2024-10-11 23:28:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772965199] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128649521] [2024-10-11 23:28:42,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:42,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:42,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:42,336 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:42,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 23:28:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:42,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 23:28:42,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:28:43,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:28:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 23:28:43,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128649521] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:28:43,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:28:43,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-10-11 23:28:43,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489479289] [2024-10-11 23:28:43,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:28:43,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 23:28:43,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:43,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 23:28:43,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-10-11 23:28:43,246 INFO L87 Difference]: Start difference. First operand 2885 states and 4021 transitions. Second operand has 18 states, 16 states have (on average 8.8125) internal successors, (141), 16 states have internal predecessors, (141), 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) [2024-10-11 23:28:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:44,574 INFO L93 Difference]: Finished difference Result 5725 states and 8016 transitions. [2024-10-11 23:28:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 23:28:44,574 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 8.8125) internal successors, (141), 16 states have internal predecessors, (141), 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 126 [2024-10-11 23:28:44,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:44,582 INFO L225 Difference]: With dead ends: 5725 [2024-10-11 23:28:44,582 INFO L226 Difference]: Without dead ends: 2945 [2024-10-11 23:28:44,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=258, Invalid=1382, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 23:28:44,587 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 89 mSDsluCounter, 6935 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 7488 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:44,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 7488 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:28:44,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2024-10-11 23:28:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2923. [2024-10-11 23:28:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2784 states have (on average 1.3976293103448276) internal successors, (3891), 2797 states have internal predecessors, (3891), 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) [2024-10-11 23:28:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 4070 transitions. [2024-10-11 23:28:44,693 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 4070 transitions. Word has length 126 [2024-10-11 23:28:44,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:44,694 INFO L471 AbstractCegarLoop]: Abstraction has 2923 states and 4070 transitions. [2024-10-11 23:28:44,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 8.8125) internal successors, (141), 16 states have internal predecessors, (141), 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) [2024-10-11 23:28:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 4070 transitions. [2024-10-11 23:28:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 23:28:44,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:44,695 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-11 23:28:44,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:44,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:44,900 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:44,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -838588521, now seen corresponding path program 2 times [2024-10-11 23:28:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:44,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511834166] [2024-10-11 23:28:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:28:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:28:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 23:28:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 23:28:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:28:45,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:45,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511834166] [2024-10-11 23:28:45,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511834166] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:45,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356893024] [2024-10-11 23:28:45,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:28:45,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:45,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:45,630 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:45,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 23:28:46,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 23:28:46,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:28:46,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:28:46,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:46,019 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 [2024-10-11 23:28:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-11 23:28:46,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:46,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356893024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:46,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:46,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-10-11 23:28:46,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954969428] [2024-10-11 23:28:46,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:46,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:28:46,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:46,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:28:46,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:28:46,034 INFO L87 Difference]: Start difference. First operand 2923 states and 4070 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-10-11 23:28:46,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:46,120 INFO L93 Difference]: Finished difference Result 2923 states and 4070 transitions. [2024-10-11 23:28:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:28:46,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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 130 [2024-10-11 23:28:46,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:46,128 INFO L225 Difference]: With dead ends: 2923 [2024-10-11 23:28:46,129 INFO L226 Difference]: Without dead ends: 2922 [2024-10-11 23:28:46,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:28:46,130 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 1 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:46,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1155 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:28:46,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2024-10-11 23:28:46,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2922. [2024-10-11 23:28:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2784 states have (on average 1.3954741379310345) internal successors, (3885), 2796 states have internal predecessors, (3885), 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) [2024-10-11 23:28:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 4064 transitions. [2024-10-11 23:28:46,232 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 4064 transitions. Word has length 130 [2024-10-11 23:28:46,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:46,232 INFO L471 AbstractCegarLoop]: Abstraction has 2922 states and 4064 transitions. [2024-10-11 23:28:46,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-10-11 23:28:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 4064 transitions. [2024-10-11 23:28:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 23:28:46,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:46,234 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-11 23:28:46,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 23:28:46,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 23:28:46,435 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:46,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:46,435 INFO L85 PathProgramCache]: Analyzing trace with hash -226440272, now seen corresponding path program 1 times [2024-10-11 23:28:46,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:46,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016626939] [2024-10-11 23:28:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:46,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:28:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:28:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 23:28:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:47,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 23:28:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:28:47,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:47,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016626939] [2024-10-11 23:28:47,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016626939] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:47,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936436006] [2024-10-11 23:28:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:47,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:47,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:47,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 23:28:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:47,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 23:28:47,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:28:47,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:28:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:28:48,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936436006] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:28:48,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:28:48,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-10-11 23:28:48,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778197644] [2024-10-11 23:28:48,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:28:48,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-11 23:28:48,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:48,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-11 23:28:48,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-10-11 23:28:48,078 INFO L87 Difference]: Start difference. First operand 2922 states and 4064 transitions. Second operand has 28 states, 26 states have (on average 5.884615384615385) internal successors, (153), 26 states have internal predecessors, (153), 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) [2024-10-11 23:28:50,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:50,184 INFO L93 Difference]: Finished difference Result 5803 states and 8117 transitions. [2024-10-11 23:28:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-11 23:28:50,185 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 5.884615384615385) internal successors, (153), 26 states have internal predecessors, (153), 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 131 [2024-10-11 23:28:50,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:50,197 INFO L225 Difference]: With dead ends: 5803 [2024-10-11 23:28:50,197 INFO L226 Difference]: Without dead ends: 2983 [2024-10-11 23:28:50,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=534, Invalid=2888, Unknown=0, NotChecked=0, Total=3422 [2024-10-11 23:28:50,203 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 117 mSDsluCounter, 7812 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 8352 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:50,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 8352 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 23:28:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2024-10-11 23:28:50,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2967. [2024-10-11 23:28:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2829 states have (on average 1.3902439024390243) internal successors, (3933), 2841 states have internal predecessors, (3933), 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) [2024-10-11 23:28:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 4112 transitions. [2024-10-11 23:28:50,303 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 4112 transitions. Word has length 131 [2024-10-11 23:28:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:50,303 INFO L471 AbstractCegarLoop]: Abstraction has 2967 states and 4112 transitions. [2024-10-11 23:28:50,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 5.884615384615385) internal successors, (153), 26 states have internal predecessors, (153), 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) [2024-10-11 23:28:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 4112 transitions. [2024-10-11 23:28:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-11 23:28:50,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:50,306 INFO L215 NwaCegarLoop]: trace histogram [15, 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] [2024-10-11 23:28:50,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 23:28:50,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 23:28:50,508 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:50,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:50,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1298997753, now seen corresponding path program 2 times [2024-10-11 23:28:50,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73340726] [2024-10-11 23:28:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:28:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:51,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:28:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 23:28:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:51,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 23:28:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 23:28:51,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:51,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73340726] [2024-10-11 23:28:51,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73340726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:51,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264175339] [2024-10-11 23:28:51,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:28:51,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:51,635 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:51,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 23:28:52,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:28:52,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:28:52,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-11 23:28:52,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:52,297 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 [2024-10-11 23:28:52,324 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 [2024-10-11 23:28:52,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-11 23:28:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:28:53,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:53,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264175339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:53,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:53,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 27 [2024-10-11 23:28:53,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572558815] [2024-10-11 23:28:53,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:53,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 23:28:53,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:53,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 23:28:53,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2024-10-11 23:28:53,125 INFO L87 Difference]: Start difference. First operand 2967 states and 4112 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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) [2024-10-11 23:28:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:54,567 INFO L93 Difference]: Finished difference Result 7065 states and 9865 transitions. [2024-10-11 23:28:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 23:28:54,567 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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 [2024-10-11 23:28:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:54,578 INFO L225 Difference]: With dead ends: 7065 [2024-10-11 23:28:54,578 INFO L226 Difference]: Without dead ends: 4148 [2024-10-11 23:28:54,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=1096, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 23:28:54,584 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 715 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 3976 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:54,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 3976 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 23:28:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2024-10-11 23:28:54,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 3043. [2024-10-11 23:28:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 2905 states have (on average 1.3865748709122203) internal successors, (4028), 2917 states have internal predecessors, (4028), 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) [2024-10-11 23:28:54,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4207 transitions. [2024-10-11 23:28:54,704 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4207 transitions. Word has length 140 [2024-10-11 23:28:54,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:54,705 INFO L471 AbstractCegarLoop]: Abstraction has 3043 states and 4207 transitions. [2024-10-11 23:28:54,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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) [2024-10-11 23:28:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4207 transitions. [2024-10-11 23:28:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 23:28:54,706 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:54,706 INFO L215 NwaCegarLoop]: trace histogram [15, 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] [2024-10-11 23:28:54,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 23:28:54,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:54,911 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:54,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:54,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1473784498, now seen corresponding path program 1 times [2024-10-11 23:28:54,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:54,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628161591] [2024-10-11 23:28:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:54,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:55,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:28:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:28:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:28:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 23:28:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:28:55,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:55,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628161591] [2024-10-11 23:28:55,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628161591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:55,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:55,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:28:55,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700110983] [2024-10-11 23:28:55,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:55,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:28:55,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:55,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:28:55,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:28:55,331 INFO L87 Difference]: Start difference. First operand 3043 states and 4207 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 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) [2024-10-11 23:28:56,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:56,228 INFO L93 Difference]: Finished difference Result 6062 states and 8398 transitions. [2024-10-11 23:28:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:28:56,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 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 141 [2024-10-11 23:28:56,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:56,239 INFO L225 Difference]: With dead ends: 6062 [2024-10-11 23:28:56,239 INFO L226 Difference]: Without dead ends: 3078 [2024-10-11 23:28:56,243 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 [2024-10-11 23:28:56,244 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 53 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 3764 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:56,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 3764 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:28:56,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2024-10-11 23:28:56,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 3071. [2024-10-11 23:28:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2933 states have (on average 1.3852710535288102) internal successors, (4063), 2945 states have internal predecessors, (4063), 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) [2024-10-11 23:28:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 4242 transitions. [2024-10-11 23:28:56,358 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 4242 transitions. Word has length 141 [2024-10-11 23:28:56,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:56,358 INFO L471 AbstractCegarLoop]: Abstraction has 3071 states and 4242 transitions. [2024-10-11 23:28:56,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 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) [2024-10-11 23:28:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 4242 transitions. [2024-10-11 23:28:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 23:28:56,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:56,360 INFO L215 NwaCegarLoop]: trace histogram [15, 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] [2024-10-11 23:28:56,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 23:28:56,360 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:56,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1520772203, now seen corresponding path program 1 times [2024-10-11 23:28:56,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:56,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306910928] [2024-10-11 23:28:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:56,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:28:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:28:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:28:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:56,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 23:28:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:28:56,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:56,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306910928] [2024-10-11 23:28:56,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306910928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:56,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:56,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:28:56,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059528826] [2024-10-11 23:28:56,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:56,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:28:56,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:56,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:28:56,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:28:56,785 INFO L87 Difference]: Start difference. First operand 3071 states and 4242 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 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) [2024-10-11 23:28:57,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:57,369 INFO L93 Difference]: Finished difference Result 6107 states and 8453 transitions. [2024-10-11 23:28:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:28:57,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 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 141 [2024-10-11 23:28:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:57,379 INFO L225 Difference]: With dead ends: 6107 [2024-10-11 23:28:57,379 INFO L226 Difference]: Without dead ends: 3092 [2024-10-11 23:28:57,385 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 [2024-10-11 23:28:57,385 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 48 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:57,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 2901 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:28:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2024-10-11 23:28:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 3092. [2024-10-11 23:28:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 2954 states have (on average 1.3825321597833446) internal successors, (4084), 2966 states have internal predecessors, (4084), 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) [2024-10-11 23:28:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 4263 transitions. [2024-10-11 23:28:57,582 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 4263 transitions. Word has length 141 [2024-10-11 23:28:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:57,582 INFO L471 AbstractCegarLoop]: Abstraction has 3092 states and 4263 transitions. [2024-10-11 23:28:57,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 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) [2024-10-11 23:28:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 4263 transitions. [2024-10-11 23:28:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 23:28:57,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:57,584 INFO L215 NwaCegarLoop]: trace histogram [15, 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] [2024-10-11 23:28:57,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 23:28:57,584 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:28:57,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:57,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1234982829, now seen corresponding path program 1 times [2024-10-11 23:28:57,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:57,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819025163] [2024-10-11 23:28:57,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:57,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:28:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:58,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:28:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 23:28:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 23:28:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 23:28:58,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:58,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819025163] [2024-10-11 23:28:58,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819025163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:58,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580576043] [2024-10-11 23:28:58,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:58,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:58,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:58,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 23:28:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:59,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 23:28:59,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:28:59,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:59,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580576043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:59,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:59,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2024-10-11 23:28:59,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148801679] [2024-10-11 23:28:59,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:59,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:28:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:59,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:28:59,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:28:59,613 INFO L87 Difference]: Start difference. First operand 3092 states and 4263 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2024-10-11 23:28:59,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:59,960 INFO L93 Difference]: Finished difference Result 6153 states and 8500 transitions. [2024-10-11 23:28:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:28:59,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 142 [2024-10-11 23:28:59,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:59,970 INFO L225 Difference]: With dead ends: 6153 [2024-10-11 23:28:59,970 INFO L226 Difference]: Without dead ends: 3113 [2024-10-11 23:28:59,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:28:59,977 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 43 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:59,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3073 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:28:59,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2024-10-11 23:29:00,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 3030. [2024-10-11 23:29:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 2892 states have (on average 1.3817427385892116) internal successors, (3996), 2904 states have internal predecessors, (3996), 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) [2024-10-11 23:29:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 4175 transitions. [2024-10-11 23:29:00,088 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 4175 transitions. Word has length 142 [2024-10-11 23:29:00,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:29:00,089 INFO L471 AbstractCegarLoop]: Abstraction has 3030 states and 4175 transitions. [2024-10-11 23:29:00,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2024-10-11 23:29:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 4175 transitions. [2024-10-11 23:29:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 23:29:00,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:29:00,090 INFO L215 NwaCegarLoop]: trace histogram [15, 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] [2024-10-11 23:29:00,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 23:29:00,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:29:00,292 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:29:00,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:29:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash -950353898, now seen corresponding path program 1 times [2024-10-11 23:29:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:29:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401409668] [2024-10-11 23:29:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:29:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:29:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:00,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:29:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:00,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:29:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:00,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:29:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 23:29:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:01,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 23:29:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 23:29:01,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:29:01,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401409668] [2024-10-11 23:29:01,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401409668] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:29:01,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229480183] [2024-10-11 23:29:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:29:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:29:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:29:01,311 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:29:01,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 23:29:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:02,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 23:29:02,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:29:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:29:02,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:29:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-11 23:29:02,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229480183] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:29:02,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:29:02,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 10] total 39 [2024-10-11 23:29:02,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397465195] [2024-10-11 23:29:02,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:29:02,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-11 23:29:02,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:29:02,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-11 23:29:02,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1314, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 23:29:02,823 INFO L87 Difference]: Start difference. First operand 3030 states and 4175 transitions. Second operand has 39 states, 36 states have (on average 4.416666666666667) internal successors, (159), 37 states have internal predecessors, (159), 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) [2024-10-11 23:29:06,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:29:06,581 INFO L93 Difference]: Finished difference Result 6010 states and 8339 transitions. [2024-10-11 23:29:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-11 23:29:06,582 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 36 states have (on average 4.416666666666667) internal successors, (159), 37 states have internal predecessors, (159), 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 142 [2024-10-11 23:29:06,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:29:06,590 INFO L225 Difference]: With dead ends: 6010 [2024-10-11 23:29:06,590 INFO L226 Difference]: Without dead ends: 3099 [2024-10-11 23:29:06,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1737 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1033, Invalid=6977, Unknown=0, NotChecked=0, Total=8010 [2024-10-11 23:29:06,596 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 206 mSDsluCounter, 12309 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 12859 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:29:06,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 12859 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 23:29:06,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2024-10-11 23:29:06,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3076. [2024-10-11 23:29:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2938 states have (on average 1.3764465622872704) internal successors, (4044), 2949 states have internal predecessors, (4044), 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) [2024-10-11 23:29:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4223 transitions. [2024-10-11 23:29:06,731 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4223 transitions. Word has length 142 [2024-10-11 23:29:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:29:06,731 INFO L471 AbstractCegarLoop]: Abstraction has 3076 states and 4223 transitions. [2024-10-11 23:29:06,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 36 states have (on average 4.416666666666667) internal successors, (159), 37 states have internal predecessors, (159), 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) [2024-10-11 23:29:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4223 transitions. [2024-10-11 23:29:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:29:06,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:29:06,733 INFO L215 NwaCegarLoop]: trace histogram [23, 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] [2024-10-11 23:29:06,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 23:29:06,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 23:29:06,938 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:29:06,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:29:06,938 INFO L85 PathProgramCache]: Analyzing trace with hash -472880746, now seen corresponding path program 2 times [2024-10-11 23:29:06,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:29:06,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083158810] [2024-10-11 23:29:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:29:06,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:29:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:07,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:29:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:29:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:29:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 23:29:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 23:29:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 225 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:29:08,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:29:08,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083158810] [2024-10-11 23:29:08,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083158810] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:29:08,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594403551] [2024-10-11 23:29:08,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:29:08,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:29:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:29:08,128 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:29:08,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 23:29:08,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:29:08,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:29:08,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-11 23:29:08,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:29:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 172 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-11 23:29:09,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:29:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 225 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:29:09,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594403551] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:29:09,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:29:09,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-10-11 23:29:09,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103324127] [2024-10-11 23:29:09,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:29:09,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-11 23:29:09,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:29:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-11 23:29:09,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 23:29:09,715 INFO L87 Difference]: Start difference. First operand 3076 states and 4223 transitions. Second operand has 48 states, 46 states have (on average 3.782608695652174) internal successors, (174), 46 states have internal predecessors, (174), 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) [2024-10-11 23:29:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:29:14,745 INFO L93 Difference]: Finished difference Result 6127 states and 8483 transitions. [2024-10-11 23:29:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-11 23:29:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 3.782608695652174) internal successors, (174), 46 states have internal predecessors, (174), 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 150 [2024-10-11 23:29:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:29:14,756 INFO L225 Difference]: With dead ends: 6127 [2024-10-11 23:29:14,756 INFO L226 Difference]: Without dead ends: 3171 [2024-10-11 23:29:14,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1764, Invalid=8136, Unknown=0, NotChecked=0, Total=9900 [2024-10-11 23:29:14,763 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 148 mSDsluCounter, 10149 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 10700 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:29:14,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 10700 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 23:29:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3171 states. [2024-10-11 23:29:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3171 to 3154. [2024-10-11 23:29:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 3016 states have (on average 1.3667108753315649) internal successors, (4122), 3027 states have internal predecessors, (4122), 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) [2024-10-11 23:29:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4301 transitions. [2024-10-11 23:29:14,926 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4301 transitions. Word has length 150 [2024-10-11 23:29:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:29:14,926 INFO L471 AbstractCegarLoop]: Abstraction has 3154 states and 4301 transitions. [2024-10-11 23:29:14,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 3.782608695652174) internal successors, (174), 46 states have internal predecessors, (174), 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) [2024-10-11 23:29:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4301 transitions. [2024-10-11 23:29:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:29:14,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:29:14,928 INFO L215 NwaCegarLoop]: trace histogram [36, 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] [2024-10-11 23:29:14,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 23:29:15,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 23:29:15,129 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:29:15,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:29:15,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2123431277, now seen corresponding path program 3 times [2024-10-11 23:29:15,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:29:15,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088675374] [2024-10-11 23:29:15,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:29:15,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:29:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:16,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:29:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:29:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:29:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 23:29:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 23:29:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:29:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 6 proven. 628 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:29:17,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:29:17,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088675374] [2024-10-11 23:29:17,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088675374] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:29:17,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484081032] [2024-10-11 23:29:17,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 23:29:17,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:29:17,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:29:17,429 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:29:17,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 23:29:18,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 23:29:18,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:29:18,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 23:29:18,055 INFO L278 TraceCheckSpWp]: Computing forward predicates...