./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_JEN_test6-1.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_JEN_test6-1.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 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:34:15,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:34:15,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:34:15,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:34:15,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:34:15,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:34:15,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:34:15,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:34:15,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:34:15,595 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:34:15,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:34:15,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:34:15,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:34:15,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:34:15,597 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:34:15,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:34:15,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:34:15,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:34:15,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:34:15,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:34:15,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:34:15,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:34:15,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:34:15,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:34:15,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:34:15,603 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:34:15,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:34:15,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:34:15,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:34:15,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:34:15,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:34:15,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:34:15,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:34:15,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:34:15,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:34:15,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:34:15,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:34:15,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:34:15,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:34:15,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:34:15,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:34:15,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:34:15,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:34:15,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:34:15,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2024-10-11 23:34:15,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:34:15,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:34:15,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:34:15,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:34:15,821 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:34:15,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-10-11 23:34:17,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:34:17,257 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:34:17,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-10-11 23:34:17,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/93a4b8616/f908da8c753f434e8a18591b3bd3d8c3/FLAG0e553a095 [2024-10-11 23:34:17,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/93a4b8616/f908da8c753f434e8a18591b3bd3d8c3 [2024-10-11 23:34:17,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:34:17,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:34:17,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:34:17,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:34:17,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:34:17,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:34:17" (1/1) ... [2024-10-11 23:34:17,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ef500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:17, skipping insertion in model container [2024-10-11 23:34:17,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:34:17" (1/1) ... [2024-10-11 23:34:17,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:34:18,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:34:18,075 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:34:18,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:34:18,199 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:34:18,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18 WrapperNode [2024-10-11 23:34:18,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:34:18,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:34:18,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:34:18,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:34:18,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,304 INFO L138 Inliner]: procedures = 282, calls = 290, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1478 [2024-10-11 23:34:18,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:34:18,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:34:18,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:34:18,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:34:18,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,382 INFO L175 MemorySlicer]: Split 259 memory accesses to 4 slices as follows [2, 3, 34, 220]. 85 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 55 writes are split as follows [0, 2, 4, 49]. [2024-10-11 23:34:18,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:34:18,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:34:18,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:34:18,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:34:18,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (1/1) ... [2024-10-11 23:34:18,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:34:18,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:18,506 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 23:34:18,508 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 23:34:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:34:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:34:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:34:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:34:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:34:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:34:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 23:34:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:34:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-11 23:34:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-11 23:34:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:34:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:34:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:34:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 23:34:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:34:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:34:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:34:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:34:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:34:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 23:34:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:34:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:34:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-11 23:34:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-11 23:34:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:34:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:34:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:34:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 23:34:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-11 23:34:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-11 23:34:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:34:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:34:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:34:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 23:34:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:34:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:34:18,741 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:34:18,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:34:19,767 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-10-11 23:34:19,767 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:34:19,808 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:34:19,811 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-11 23:34:19,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:34:19 BoogieIcfgContainer [2024-10-11 23:34:19,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:34:19,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:34:19,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:34:19,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:34:19,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:34:17" (1/3) ... [2024-10-11 23:34:19,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613d4c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:34:19, skipping insertion in model container [2024-10-11 23:34:19,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:18" (2/3) ... [2024-10-11 23:34:19,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613d4c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:34:19, skipping insertion in model container [2024-10-11 23:34:19,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:34:19" (3/3) ... [2024-10-11 23:34:19,818 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-1.i [2024-10-11 23:34:19,831 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:34:19,832 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-11 23:34:19,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:34:19,900 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;@7565f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:34:19,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-11 23:34:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 23:34:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:34:19,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:19,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:34:19,911 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 23:34:19,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:19,916 INFO L85 PathProgramCache]: Analyzing trace with hash 608439599, now seen corresponding path program 1 times [2024-10-11 23:34:19,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:19,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030273864] [2024-10-11 23:34:19,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:20,165 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 23:34:20,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:20,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030273864] [2024-10-11 23:34:20,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030273864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:20,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:20,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:20,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070100880] [2024-10-11 23:34:20,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:20,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:34:20,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:20,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:34:20,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:34:20,190 INFO L87 Difference]: Start difference. First operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 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 23:34:20,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:20,273 INFO L93 Difference]: Finished difference Result 898 states and 1422 transitions. [2024-10-11 23:34:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:34:20,276 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 23:34:20,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:20,288 INFO L225 Difference]: With dead ends: 898 [2024-10-11 23:34:20,288 INFO L226 Difference]: Without dead ends: 435 [2024-10-11 23:34:20,294 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 23:34:20,298 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:20,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:20,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-11 23:34:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-10-11 23:34:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 407 states have (on average 1.457002457002457) internal successors, (593), 421 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 23:34:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 613 transitions. [2024-10-11 23:34:20,359 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 613 transitions. Word has length 6 [2024-10-11 23:34:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:20,360 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 613 transitions. [2024-10-11 23:34:20,360 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 23:34:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 613 transitions. [2024-10-11 23:34:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:34:20,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:20,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:34:20,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:34:20,362 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 23:34:20,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:20,363 INFO L85 PathProgramCache]: Analyzing trace with hash 608441521, now seen corresponding path program 1 times [2024-10-11 23:34:20,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:20,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845116207] [2024-10-11 23:34:20,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:20,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:34:20,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303135474] [2024-10-11 23:34:20,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:20,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:20,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:20,415 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 23:34:20,418 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 23:34:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:20,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 23:34:20,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:20,589 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 23:34:20,621 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 23:34:20,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:20,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:20,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845116207] [2024-10-11 23:34:20,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:34:20,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303135474] [2024-10-11 23:34:20,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303135474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:20,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:20,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:20,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138217730] [2024-10-11 23:34:20,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:20,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:20,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:20,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:20,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:20,626 INFO L87 Difference]: Start difference. First operand 435 states and 613 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 23:34:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:20,762 INFO L93 Difference]: Finished difference Result 841 states and 1198 transitions. [2024-10-11 23:34:20,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:20,763 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 23:34:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:20,766 INFO L225 Difference]: With dead ends: 841 [2024-10-11 23:34:20,766 INFO L226 Difference]: Without dead ends: 839 [2024-10-11 23:34:20,767 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 23:34:20,768 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 560 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:20,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1839 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:20,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-11 23:34:20,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 441. [2024-10-11 23:34:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4527845036319613) internal successors, (600), 427 states have internal predecessors, (600), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 23:34:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 620 transitions. [2024-10-11 23:34:20,786 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 620 transitions. Word has length 6 [2024-10-11 23:34:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:20,786 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 620 transitions. [2024-10-11 23:34:20,786 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 23:34:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 620 transitions. [2024-10-11 23:34:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 23:34:20,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:20,788 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 23:34:20,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:34:20,989 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 23:34:20,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:34:20,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:20,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2006626720, now seen corresponding path program 1 times [2024-10-11 23:34:20,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:20,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478383595] [2024-10-11 23:34:20,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:20,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,193 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 23:34:21,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:21,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478383595] [2024-10-11 23:34:21,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478383595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:21,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:21,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:34:21,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504748279] [2024-10-11 23:34:21,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:21,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:21,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:21,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:21,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:21,195 INFO L87 Difference]: Start difference. First operand 441 states and 620 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 23:34:21,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:21,267 INFO L93 Difference]: Finished difference Result 878 states and 1235 transitions. [2024-10-11 23:34:21,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:21,268 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 23:34:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:21,269 INFO L225 Difference]: With dead ends: 878 [2024-10-11 23:34:21,269 INFO L226 Difference]: Without dead ends: 444 [2024-10-11 23:34:21,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:21,271 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 105 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:21,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1643 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:21,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-11 23:34:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 441. [2024-10-11 23:34:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4358353510895885) internal successors, (593), 427 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 23:34:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 613 transitions. [2024-10-11 23:34:21,283 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 613 transitions. Word has length 62 [2024-10-11 23:34:21,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:21,283 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 613 transitions. [2024-10-11 23:34:21,283 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 23:34:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 613 transitions. [2024-10-11 23:34:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 23:34:21,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:21,286 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 23:34:21,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:34:21,287 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 23:34:21,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash 942426772, now seen corresponding path program 1 times [2024-10-11 23:34:21,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:21,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157292770] [2024-10-11 23:34:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:21,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,518 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 23:34:21,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:21,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157292770] [2024-10-11 23:34:21,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157292770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:21,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:21,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:21,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424901288] [2024-10-11 23:34:21,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:21,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:21,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:21,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:21,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:21,521 INFO L87 Difference]: Start difference. First operand 441 states and 613 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 23:34:21,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:21,594 INFO L93 Difference]: Finished difference Result 857 states and 1202 transitions. [2024-10-11 23:34:21,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:21,595 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 23:34:21,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:21,600 INFO L225 Difference]: With dead ends: 857 [2024-10-11 23:34:21,600 INFO L226 Difference]: Without dead ends: 855 [2024-10-11 23:34:21,600 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 23:34:21,602 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 530 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:21,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1765 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:21,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-11 23:34:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 843. [2024-10-11 23:34:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 805 states have (on average 1.439751552795031) internal successors, (1159), 820 states have internal predecessors, (1159), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (21), 16 states have call predecessors, (21), 18 states have call successors, (21) [2024-10-11 23:34:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1198 transitions. [2024-10-11 23:34:21,625 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1198 transitions. Word has length 62 [2024-10-11 23:34:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:21,626 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1198 transitions. [2024-10-11 23:34:21,626 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 23:34:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1198 transitions. [2024-10-11 23:34:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 23:34:21,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:21,631 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] [2024-10-11 23:34:21,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:34:21,631 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:34:21,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash -849541099, now seen corresponding path program 1 times [2024-10-11 23:34:21,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:21,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929013182] [2024-10-11 23:34:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,795 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 23:34:21,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:21,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929013182] [2024-10-11 23:34:21,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929013182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:21,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:21,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:21,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035616097] [2024-10-11 23:34:21,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:21,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:21,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:21,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:21,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:21,798 INFO L87 Difference]: Start difference. First operand 843 states and 1198 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 23:34:21,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:21,879 INFO L93 Difference]: Finished difference Result 1404 states and 2004 transitions. [2024-10-11 23:34:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:21,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 63 [2024-10-11 23:34:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:21,887 INFO L225 Difference]: With dead ends: 1404 [2024-10-11 23:34:21,887 INFO L226 Difference]: Without dead ends: 1402 [2024-10-11 23:34:21,888 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 23:34:21,888 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 461 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:21,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 1775 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-11 23:34:21,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1394. [2024-10-11 23:34:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1350 states have (on average 1.4466666666666668) internal successors, (1953), 1366 states have internal predecessors, (1953), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2024-10-11 23:34:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2002 transitions. [2024-10-11 23:34:21,919 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2002 transitions. Word has length 63 [2024-10-11 23:34:21,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:21,919 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2002 transitions. [2024-10-11 23:34:21,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 23:34:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2002 transitions. [2024-10-11 23:34:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 23:34:21,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:21,921 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 23:34:21,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:34:21,922 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 23:34:21,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:21,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2121850464, now seen corresponding path program 1 times [2024-10-11 23:34:21,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:21,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491443655] [2024-10-11 23:34:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,058 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 23:34:22,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:22,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491443655] [2024-10-11 23:34:22,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491443655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:22,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:22,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:34:22,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457737287] [2024-10-11 23:34:22,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:22,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:22,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:22,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:22,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:22,062 INFO L87 Difference]: Start difference. First operand 1394 states and 2002 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 23:34:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:22,202 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2024-10-11 23:34:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:34:22,203 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 23:34:22,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:22,208 INFO L225 Difference]: With dead ends: 1422 [2024-10-11 23:34:22,208 INFO L226 Difference]: Without dead ends: 1420 [2024-10-11 23:34:22,209 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 23:34:22,210 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 505 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:22,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1725 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:22,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-10-11 23:34:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1411. [2024-10-11 23:34:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1362 states have (on average 1.4434654919236416) internal successors, (1966), 1379 states have internal predecessors, (1966), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-11 23:34:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2021 transitions. [2024-10-11 23:34:22,245 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2021 transitions. Word has length 71 [2024-10-11 23:34:22,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:22,246 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2021 transitions. [2024-10-11 23:34:22,246 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 23:34:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2021 transitions. [2024-10-11 23:34:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 23:34:22,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:22,248 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] [2024-10-11 23:34:22,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:34:22,248 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:34:22,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:22,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1041853275, now seen corresponding path program 1 times [2024-10-11 23:34:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:22,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208923797] [2024-10-11 23:34:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:22,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,374 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 23:34:22,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:22,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208923797] [2024-10-11 23:34:22,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208923797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:22,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:22,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:34:22,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696316654] [2024-10-11 23:34:22,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:22,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:22,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:22,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:22,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:22,376 INFO L87 Difference]: Start difference. First operand 1411 states and 2021 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 23:34:22,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:22,496 INFO L93 Difference]: Finished difference Result 2623 states and 3774 transitions. [2024-10-11 23:34:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:22,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-10-11 23:34:22,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:22,502 INFO L225 Difference]: With dead ends: 2623 [2024-10-11 23:34:22,503 INFO L226 Difference]: Without dead ends: 2230 [2024-10-11 23:34:22,503 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 23:34:22,504 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 554 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:22,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1741 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:22,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-10-11 23:34:22,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1411. [2024-10-11 23:34:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1362 states have (on average 1.4427312775330396) internal successors, (1965), 1379 states have internal predecessors, (1965), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-11 23:34:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2020 transitions. [2024-10-11 23:34:22,535 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2020 transitions. Word has length 69 [2024-10-11 23:34:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:22,535 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2020 transitions. [2024-10-11 23:34:22,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 23:34:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2020 transitions. [2024-10-11 23:34:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 23:34:22,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:22,537 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 23:34:22,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:34:22,537 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 23:34:22,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash 760083501, now seen corresponding path program 1 times [2024-10-11 23:34:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:22,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771753601] [2024-10-11 23:34:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:22,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:34:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,819 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 23:34:22,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:22,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771753601] [2024-10-11 23:34:22,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771753601] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:22,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206496463] [2024-10-11 23:34:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:22,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:22,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:22,825 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 23:34:22,826 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 23:34:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:23,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:34:23,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:23,125 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 23:34:23,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:34:23,331 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 23:34:23,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206496463] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:34:23,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:34:23,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-11 23:34:23,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812158819] [2024-10-11 23:34:23,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:34:23,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 23:34:23,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:23,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 23:34:23,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-11 23:34:23,333 INFO L87 Difference]: Start difference. First operand 1411 states and 2020 transitions. Second operand has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 23:34:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:24,573 INFO L93 Difference]: Finished difference Result 3902 states and 5586 transitions. [2024-10-11 23:34:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-11 23:34:24,574 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) Word has length 79 [2024-10-11 23:34:24,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:24,587 INFO L225 Difference]: With dead ends: 3902 [2024-10-11 23:34:24,587 INFO L226 Difference]: Without dead ends: 3900 [2024-10-11 23:34:24,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=430, Invalid=1130, Unknown=0, NotChecked=0, Total=1560 [2024-10-11 23:34:24,589 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2935 mSDsluCounter, 8293 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 8948 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:24,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 8948 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:34:24,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2024-10-11 23:34:24,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3422. [2024-10-11 23:34:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3422 states, 3311 states have (on average 1.438236182422229) internal successors, (4762), 3330 states have internal predecessors, (4762), 73 states have call successors, (73), 30 states have call predecessors, (73), 24 states have return successors, (99), 61 states have call predecessors, (99), 73 states have call successors, (99) [2024-10-11 23:34:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 4934 transitions. [2024-10-11 23:34:24,654 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 4934 transitions. Word has length 79 [2024-10-11 23:34:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:24,654 INFO L471 AbstractCegarLoop]: Abstraction has 3422 states and 4934 transitions. [2024-10-11 23:34:24,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 23:34:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 4934 transitions. [2024-10-11 23:34:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:34:24,655 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:24,655 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 23:34:24,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 23:34:24,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:24,860 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 23:34:24,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:24,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1771772127, now seen corresponding path program 1 times [2024-10-11 23:34:24,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:24,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935348695] [2024-10-11 23:34:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:24,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:24,944 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 23:34:24,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:24,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935348695] [2024-10-11 23:34:24,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935348695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:24,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:24,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:24,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397208896] [2024-10-11 23:34:24,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:24,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:34:24,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:34:24,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:34:24,946 INFO L87 Difference]: Start difference. First operand 3422 states and 4934 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 23:34:25,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:25,064 INFO L93 Difference]: Finished difference Result 7400 states and 10707 transitions. [2024-10-11 23:34:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:34:25,065 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 23:34:25,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:25,075 INFO L225 Difference]: With dead ends: 7400 [2024-10-11 23:34:25,075 INFO L226 Difference]: Without dead ends: 3985 [2024-10-11 23:34:25,079 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 23:34:25,079 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 373 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:25,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1358 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:25,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2024-10-11 23:34:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3968. [2024-10-11 23:34:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3864 states have (on average 1.4474637681159421) internal successors, (5593), 3882 states have internal predecessors, (5593), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-11 23:34:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5752 transitions. [2024-10-11 23:34:25,191 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5752 transitions. Word has length 80 [2024-10-11 23:34:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:25,192 INFO L471 AbstractCegarLoop]: Abstraction has 3968 states and 5752 transitions. [2024-10-11 23:34:25,192 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 23:34:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5752 transitions. [2024-10-11 23:34:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 23:34:25,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:25,193 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 23:34:25,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:34:25,194 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 23:34:25,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash -175259048, now seen corresponding path program 1 times [2024-10-11 23:34:25,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:25,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63448991] [2024-10-11 23:34:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:34:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:34:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:25,463 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 23:34:25,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:25,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63448991] [2024-10-11 23:34:25,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63448991] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:25,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688180813] [2024-10-11 23:34:25,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:25,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:25,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:25,465 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 23:34:25,466 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 23:34:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:25,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:34:25,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:25,717 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 23:34:25,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:25,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688180813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:25,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:25,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-11 23:34:25,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009560697] [2024-10-11 23:34:25,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:25,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:25,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:25,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:25,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:34:25,718 INFO L87 Difference]: Start difference. First operand 3968 states and 5752 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 23:34:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:25,782 INFO L93 Difference]: Finished difference Result 3968 states and 5752 transitions. [2024-10-11 23:34:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:34:25,783 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 23:34:25,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:25,793 INFO L225 Difference]: With dead ends: 3968 [2024-10-11 23:34:25,793 INFO L226 Difference]: Without dead ends: 3967 [2024-10-11 23:34:25,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:34:25,794 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:25,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 595 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:25,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2024-10-11 23:34:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3967. [2024-10-11 23:34:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3967 states, 3864 states have (on average 1.4453933747412009) internal successors, (5585), 3881 states have internal predecessors, (5585), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-11 23:34:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 5744 transitions. [2024-10-11 23:34:25,871 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 5744 transitions. Word has length 87 [2024-10-11 23:34:25,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:25,872 INFO L471 AbstractCegarLoop]: Abstraction has 3967 states and 5744 transitions. [2024-10-11 23:34:25,872 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 23:34:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 5744 transitions. [2024-10-11 23:34:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 23:34:25,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:25,873 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 23:34:25,888 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 23:34:26,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:26,077 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 23:34:26,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1138063123, now seen corresponding path program 1 times [2024-10-11 23:34:26,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:26,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775892667] [2024-10-11 23:34:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:34:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:34:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,283 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 23:34:26,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:26,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775892667] [2024-10-11 23:34:26,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775892667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:26,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809000501] [2024-10-11 23:34:26,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:26,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:26,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:26,285 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 23:34:26,286 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 23:34:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 23:34:26,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:26,623 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 23:34:26,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:34:26,766 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 23:34:26,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809000501] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:34:26,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:34:26,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-11 23:34:26,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031072172] [2024-10-11 23:34:26,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:34:26,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 23:34:26,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:26,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 23:34:26,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:34:26,768 INFO L87 Difference]: Start difference. First operand 3967 states and 5744 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 23:34:27,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:27,390 INFO L93 Difference]: Finished difference Result 7233 states and 10445 transitions. [2024-10-11 23:34:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:34:27,390 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 23:34:27,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:27,409 INFO L225 Difference]: With dead ends: 7233 [2024-10-11 23:34:27,409 INFO L226 Difference]: Without dead ends: 7232 [2024-10-11 23:34:27,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-10-11 23:34:27,412 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 3743 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3752 SdHoareTripleChecker+Valid, 4475 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:27,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3752 Valid, 4475 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2024-10-11 23:34:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 6501. [2024-10-11 23:34:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6501 states, 6319 states have (on average 1.4412090520652001) internal successors, (9107), 6337 states have internal predecessors, (9107), 117 states have call successors, (117), 62 states have call predecessors, (117), 52 states have return successors, (158), 101 states have call predecessors, (158), 117 states have call successors, (158) [2024-10-11 23:34:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6501 states to 6501 states and 9382 transitions. [2024-10-11 23:34:27,555 INFO L78 Accepts]: Start accepts. Automaton has 6501 states and 9382 transitions. Word has length 88 [2024-10-11 23:34:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:27,555 INFO L471 AbstractCegarLoop]: Abstraction has 6501 states and 9382 transitions. [2024-10-11 23:34:27,555 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 23:34:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 6501 states and 9382 transitions. [2024-10-11 23:34:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 23:34:27,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:27,557 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 23:34:27,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 23:34:27,761 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,SelfDestructingSolverStorable10 [2024-10-11 23:34:27,762 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 23:34:27,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:27,762 INFO L85 PathProgramCache]: Analyzing trace with hash 55893321, now seen corresponding path program 1 times [2024-10-11 23:34:27,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:27,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705732934] [2024-10-11 23:34:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:27,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:34:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:34:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 23:34:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,075 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 23:34:28,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705732934] [2024-10-11 23:34:28,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705732934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:28,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:28,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:34:28,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462903498] [2024-10-11 23:34:28,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:28,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:34:28,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:28,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:34:28,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:34:28,077 INFO L87 Difference]: Start difference. First operand 6501 states and 9382 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 23:34:28,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:28,540 INFO L93 Difference]: Finished difference Result 8688 states and 12550 transitions. [2024-10-11 23:34:28,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:34:28,540 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 23:34:28,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:28,560 INFO L225 Difference]: With dead ends: 8688 [2024-10-11 23:34:28,560 INFO L226 Difference]: Without dead ends: 8686 [2024-10-11 23:34:28,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:34:28,564 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 506 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2633 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:28,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2633 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2024-10-11 23:34:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 6669. [2024-10-11 23:34:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6669 states, 6478 states have (on average 1.4364001234949058) internal successors, (9305), 6497 states have internal predecessors, (9305), 126 states have call successors, (126), 62 states have call predecessors, (126), 52 states have return successors, (170), 109 states have call predecessors, (170), 126 states have call successors, (170) [2024-10-11 23:34:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6669 states to 6669 states and 9601 transitions. [2024-10-11 23:34:28,740 INFO L78 Accepts]: Start accepts. Automaton has 6669 states and 9601 transitions. Word has length 112 [2024-10-11 23:34:28,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:28,740 INFO L471 AbstractCegarLoop]: Abstraction has 6669 states and 9601 transitions. [2024-10-11 23:34:28,740 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 23:34:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6669 states and 9601 transitions. [2024-10-11 23:34:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 23:34:28,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:28,741 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 23:34:28,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 23:34:28,742 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 23:34:28,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:28,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1406251627, now seen corresponding path program 1 times [2024-10-11 23:34:28,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:28,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825859072] [2024-10-11 23:34:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:28,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:34:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:34:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 23:34:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,007 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 23:34:29,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:29,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825859072] [2024-10-11 23:34:29,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825859072] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:29,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824077120] [2024-10-11 23:34:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:29,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:29,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:29,009 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 23:34:29,010 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 23:34:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 23:34:29,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:29,354 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 23:34:29,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:29,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824077120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:29,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:29,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-11 23:34:29,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084497556] [2024-10-11 23:34:29,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:29,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:34:29,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:29,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:34:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:34:29,356 INFO L87 Difference]: Start difference. First operand 6669 states and 9601 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 23:34:29,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:29,550 INFO L93 Difference]: Finished difference Result 12515 states and 18057 transitions. [2024-10-11 23:34:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:34:29,551 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 23:34:29,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:29,563 INFO L225 Difference]: With dead ends: 12515 [2024-10-11 23:34:29,563 INFO L226 Difference]: Without dead ends: 6237 [2024-10-11 23:34:29,570 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 23:34:29,571 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 158 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:29,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 2837 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:29,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2024-10-11 23:34:29,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 6237. [2024-10-11 23:34:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6237 states, 6072 states have (on average 1.4400527009222661) internal successors, (8744), 6088 states have internal predecessors, (8744), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-11 23:34:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6237 states to 6237 states and 8997 transitions. [2024-10-11 23:34:29,678 INFO L78 Accepts]: Start accepts. Automaton has 6237 states and 8997 transitions. Word has length 118 [2024-10-11 23:34:29,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:29,678 INFO L471 AbstractCegarLoop]: Abstraction has 6237 states and 8997 transitions. [2024-10-11 23:34:29,679 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 23:34:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6237 states and 8997 transitions. [2024-10-11 23:34:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 23:34:29,680 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:29,680 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 23:34:29,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 23:34:29,884 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,SelfDestructingSolverStorable12 [2024-10-11 23:34:29,885 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 23:34:29,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:29,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1072127716, now seen corresponding path program 1 times [2024-10-11 23:34:29,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:29,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322697849] [2024-10-11 23:34:29,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:29,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:34:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:34:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 23:34:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 23:34:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 23:34:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,219 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 23:34:30,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:30,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322697849] [2024-10-11 23:34:30,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322697849] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:30,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390826056] [2024-10-11 23:34:30,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:30,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:30,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:30,221 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 23:34:30,222 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 23:34:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:34:30,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:30,516 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 23:34:30,531 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 23:34:30,545 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 23:34:31,081 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 23:34:31,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:31,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390826056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:31,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:31,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-11 23:34:31,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786754606] [2024-10-11 23:34:31,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:31,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:34:31,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:31,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:34:31,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-11 23:34:31,084 INFO L87 Difference]: Start difference. First operand 6237 states and 8997 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 23:34:32,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:32,447 INFO L93 Difference]: Finished difference Result 14453 states and 20874 transitions. [2024-10-11 23:34:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:34:32,447 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 23:34:32,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:32,461 INFO L225 Difference]: With dead ends: 14453 [2024-10-11 23:34:32,462 INFO L226 Difference]: Without dead ends: 8303 [2024-10-11 23:34:32,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:34:32,471 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 828 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:32,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 3314 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 23:34:32,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8303 states. [2024-10-11 23:34:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8303 to 6263. [2024-10-11 23:34:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6263 states, 6098 states have (on average 1.4389963922597573) internal successors, (8775), 6114 states have internal predecessors, (8775), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-11 23:34:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 6263 states and 9028 transitions. [2024-10-11 23:34:32,582 INFO L78 Accepts]: Start accepts. Automaton has 6263 states and 9028 transitions. Word has length 123 [2024-10-11 23:34:32,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:32,582 INFO L471 AbstractCegarLoop]: Abstraction has 6263 states and 9028 transitions. [2024-10-11 23:34:32,582 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 23:34:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 9028 transitions. [2024-10-11 23:34:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 23:34:32,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:32,584 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 23:34:32,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 23:34:32,784 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,SelfDestructingSolverStorable13 [2024-10-11 23:34:32,785 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 23:34:32,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:32,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1993915739, now seen corresponding path program 1 times [2024-10-11 23:34:32,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:32,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394190053] [2024-10-11 23:34:32,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:34:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:34:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 23:34:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 23:34:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,230 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 23:34:33,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394190053] [2024-10-11 23:34:33,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394190053] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929070069] [2024-10-11 23:34:33,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:33,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:33,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:33,232 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 23:34:33,233 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 23:34:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:33,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 23:34:33,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:33,608 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 23:34:33,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:33,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929070069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:33,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-10-11 23:34:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248427157] [2024-10-11 23:34:33,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:33,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:34:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:34:33,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:34:33,611 INFO L87 Difference]: Start difference. First operand 6263 states and 9028 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 23:34:33,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:33,754 INFO L93 Difference]: Finished difference Result 10262 states and 14795 transitions. [2024-10-11 23:34:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:34:33,754 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 23:34:33,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:33,764 INFO L225 Difference]: With dead ends: 10262 [2024-10-11 23:34:33,765 INFO L226 Difference]: Without dead ends: 4158 [2024-10-11 23:34:33,774 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 23:34:33,775 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 13 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4696 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:33,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4696 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2024-10-11 23:34:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 4156. [2024-10-11 23:34:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4156 states, 4034 states have (on average 1.438522558254834) internal successors, (5803), 4053 states have internal predecessors, (5803), 66 states have call successors, (66), 45 states have call predecessors, (66), 43 states have return successors, (79), 57 states have call predecessors, (79), 66 states have call successors, (79) [2024-10-11 23:34:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 5948 transitions. [2024-10-11 23:34:33,878 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 5948 transitions. Word has length 124 [2024-10-11 23:34:33,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:33,878 INFO L471 AbstractCegarLoop]: Abstraction has 4156 states and 5948 transitions. [2024-10-11 23:34:33,879 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 23:34:33,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 5948 transitions. [2024-10-11 23:34:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 23:34:33,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:33,880 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 23:34:33,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 23:34:34,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:34,081 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 23:34:34,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:34,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2086066645, now seen corresponding path program 1 times [2024-10-11 23:34:34,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:34,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143132593] [2024-10-11 23:34:34,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:34:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:34:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:34:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 23:34:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,453 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 23:34:34,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:34,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143132593] [2024-10-11 23:34:34,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143132593] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:34,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403642041] [2024-10-11 23:34:34,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:34,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:34,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:34,455 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 23:34:34,456 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 23:34:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:34,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:34:34,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:35:00,915 WARN L286 SmtUtils]: Spent 9.86s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 23:35:26,804 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)