./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_OAT_test9-1.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_OAT_test9-1.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 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:38:18,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:38:18,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:38:18,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:38:18,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:38:18,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:38:18,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:38:18,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:38:18,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:38:18,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:38:18,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:38:18,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:38:18,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:38:18,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:38:18,911 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:38:18,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:38:18,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:38:18,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:38:18,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:38:18,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:38:18,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:38:18,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:38:18,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:38:18,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:38:18,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:38:18,923 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:38:18,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:38:18,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:38:18,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:38:18,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:38:18,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:38:18,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:38:18,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:38:18,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:38:18,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:38:18,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:38:18,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:38:18,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:38:18,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:38:18,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:38:18,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:38:18,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:38:18,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:38:18,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:38:18,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 501447f5c37550c3f5e8fdfcef22269dce5065ef789f4faf9fbe7fcfc263a044 [2024-10-11 23:38:19,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:38:19,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:38:19,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:38:19,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:38:19,229 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:38:19,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2024-10-11 23:38:20,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:38:21,073 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:38:21,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-1.i [2024-10-11 23:38:21,095 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4104210c1/15c99e5222b747d4b0db0359b3c32c38/FLAG08ab515bc [2024-10-11 23:38:21,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4104210c1/15c99e5222b747d4b0db0359b3c32c38 [2024-10-11 23:38:21,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:38:21,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:38:21,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:38:21,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:38:21,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:38:21,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:38:21" (1/1) ... [2024-10-11 23:38:21,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:21, skipping insertion in model container [2024-10-11 23:38:21,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:38:21" (1/1) ... [2024-10-11 23:38:21,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:38:22,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:38:22,053 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:38:22,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:38:22,199 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:38:22,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22 WrapperNode [2024-10-11 23:38:22,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:38:22,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:38:22,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:38:22,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:38:22,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,368 INFO L138 Inliner]: procedures = 177, calls = 724, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3290 [2024-10-11 23:38:22,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:38:22,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:38:22,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:38:22,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:38:22,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,481 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 172, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2024-10-11 23:38:22,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:38:22,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:38:22,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:38:22,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:38:22,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (1/1) ... [2024-10-11 23:38:22,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:38:22,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:22,748 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 23:38:22,751 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 23:38:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:38:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:38:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:38:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:38:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:38:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:38:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:38:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:38:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:38:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:38:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:38:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:38:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:38:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:38:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:38:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:38:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:38:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:38:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:38:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:38:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:38:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:38:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:38:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:38:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:38:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:38:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:38:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:38:23,029 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:38:23,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:38:25,617 INFO L? ?]: Removed 808 outVars from TransFormulas that were not future-live. [2024-10-11 23:38:25,618 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:38:25,680 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:38:25,681 INFO L314 CfgBuilder]: Removed 54 assume(true) statements. [2024-10-11 23:38:25,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:38:25 BoogieIcfgContainer [2024-10-11 23:38:25,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:38:25,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:38:25,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:38:25,687 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:38:25,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:38:21" (1/3) ... [2024-10-11 23:38:25,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58131226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:38:25, skipping insertion in model container [2024-10-11 23:38:25,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:38:22" (2/3) ... [2024-10-11 23:38:25,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58131226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:38:25, skipping insertion in model container [2024-10-11 23:38:25,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:38:25" (3/3) ... [2024-10-11 23:38:25,690 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-1.i [2024-10-11 23:38:25,707 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:38:25,707 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:38:25,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:38:25,811 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;@11ec6a60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:38:25,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:38:25,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 1383 states, 866 states have (on average 1.8441108545034641) internal successors, (1597), 1376 states have internal predecessors, (1597), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-10-11 23:38:25,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:38:25,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:25,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:38:25,827 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:25,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:25,830 INFO L85 PathProgramCache]: Analyzing trace with hash 2132616231, now seen corresponding path program 1 times [2024-10-11 23:38:25,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:25,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858423382] [2024-10-11 23:38:25,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:25,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:26,007 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 23:38:26,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858423382] [2024-10-11 23:38:26,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858423382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:26,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:26,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:38:26,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63694844] [2024-10-11 23:38:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:26,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:38:26,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:26,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:38:26,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:38:26,043 INFO L87 Difference]: Start difference. First operand has 1383 states, 866 states have (on average 1.8441108545034641) internal successors, (1597), 1376 states have internal predecessors, (1597), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) 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 23:38:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:26,235 INFO L93 Difference]: Finished difference Result 2763 states and 5712 transitions. [2024-10-11 23:38:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:38:26,243 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 23:38:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:26,278 INFO L225 Difference]: With dead ends: 2763 [2024-10-11 23:38:26,278 INFO L226 Difference]: Without dead ends: 1376 [2024-10-11 23:38:26,290 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 23:38:26,293 INFO L432 NwaCegarLoop]: 2540 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:26,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2540 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:38:26,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-10-11 23:38:26,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1376. [2024-10-11 23:38:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 863 states have (on average 1.7752027809965238) internal successors, (1532), 1370 states have internal predecessors, (1532), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:38:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2538 transitions. [2024-10-11 23:38:26,686 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2538 transitions. Word has length 6 [2024-10-11 23:38:26,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:26,688 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 2538 transitions. [2024-10-11 23:38:26,688 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 23:38:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2538 transitions. [2024-10-11 23:38:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:38:26,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:26,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:38:26,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:38:26,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:26,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:26,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2132618153, now seen corresponding path program 1 times [2024-10-11 23:38:26,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:26,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389215635] [2024-10-11 23:38:26,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:26,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:38:26,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633609966] [2024-10-11 23:38:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:26,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:26,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:26,750 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 23:38:26,762 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 23:38:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:26,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:38:26,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:38:26,953 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 23:38:26,986 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 23:38:26,986 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:38:26,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:26,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389215635] [2024-10-11 23:38:26,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:38:26,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633609966] [2024-10-11 23:38:26,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633609966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:26,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:26,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:38:26,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992912519] [2024-10-11 23:38:26,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:26,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:38:26,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:26,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:38:26,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:38:26,993 INFO L87 Difference]: Start difference. First operand 1376 states and 2538 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 23:38:27,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:27,868 INFO L93 Difference]: Finished difference Result 2744 states and 5069 transitions. [2024-10-11 23:38:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:38:27,869 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 23:38:27,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:27,938 INFO L225 Difference]: With dead ends: 2744 [2024-10-11 23:38:27,939 INFO L226 Difference]: Without dead ends: 2743 [2024-10-11 23:38:27,940 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 23:38:27,941 INFO L432 NwaCegarLoop]: 2773 mSDtfsCounter, 1519 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7556 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:27,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7556 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:38:27,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2024-10-11 23:38:28,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 1381. [2024-10-11 23:38:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 868 states have (on average 1.771889400921659) internal successors, (1538), 1375 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:38:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 2544 transitions. [2024-10-11 23:38:28,262 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 2544 transitions. Word has length 6 [2024-10-11 23:38:28,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:28,262 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 2544 transitions. [2024-10-11 23:38:28,262 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 23:38:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2544 transitions. [2024-10-11 23:38:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 23:38:28,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:28,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:28,282 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 23:38:28,468 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 23:38:28,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:28,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:28,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1686653386, now seen corresponding path program 1 times [2024-10-11 23:38:28,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:28,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105572194] [2024-10-11 23:38:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:28,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:38:28,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860388872] [2024-10-11 23:38:28,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:28,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:28,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:28,500 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 23:38:28,503 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 23:38:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:28,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:38:28,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:38:28,631 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 23:38:28,650 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 23:38:28,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:38:28,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:28,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105572194] [2024-10-11 23:38:28,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:38:28,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860388872] [2024-10-11 23:38:28,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860388872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:28,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:28,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:38:28,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845103400] [2024-10-11 23:38:28,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:28,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:38:28,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:38:28,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:38:28,652 INFO L87 Difference]: Start difference. First operand 1381 states and 2544 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 23:38:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:29,494 INFO L93 Difference]: Finished difference Result 2743 states and 5068 transitions. [2024-10-11 23:38:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:38:29,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-10-11 23:38:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:29,518 INFO L225 Difference]: With dead ends: 2743 [2024-10-11 23:38:29,518 INFO L226 Difference]: Without dead ends: 2742 [2024-10-11 23:38:29,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 23:38:29,522 INFO L432 NwaCegarLoop]: 2799 mSDtfsCounter, 1517 mSDsluCounter, 4808 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 7607 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:29,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 7607 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:38:29,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2024-10-11 23:38:29,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 1382. [2024-10-11 23:38:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7710011507479861) internal successors, (1539), 1376 states have internal predecessors, (1539), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:38:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2545 transitions. [2024-10-11 23:38:29,826 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2545 transitions. Word has length 7 [2024-10-11 23:38:29,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:29,827 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2545 transitions. [2024-10-11 23:38:29,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 23:38:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2545 transitions. [2024-10-11 23:38:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 23:38:29,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:29,831 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 23:38:29,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:38:30,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:30,035 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:30,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:30,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1554258750, now seen corresponding path program 1 times [2024-10-11 23:38:30,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:30,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238775603] [2024-10-11 23:38:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:30,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:30,403 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 23:38:30,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:30,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238775603] [2024-10-11 23:38:30,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238775603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:30,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:30,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:38:30,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779849203] [2024-10-11 23:38:30,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:30,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:38:30,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:38:30,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:38:30,407 INFO L87 Difference]: Start difference. First operand 1382 states and 2545 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 23:38:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:31,225 INFO L93 Difference]: Finished difference Result 3910 states and 7309 transitions. [2024-10-11 23:38:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:38:31,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-10-11 23:38:31,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:31,245 INFO L225 Difference]: With dead ends: 3910 [2024-10-11 23:38:31,245 INFO L226 Difference]: Without dead ends: 2741 [2024-10-11 23:38:31,250 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 23:38:31,251 INFO L432 NwaCegarLoop]: 2757 mSDtfsCounter, 1519 mSDsluCounter, 4767 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7524 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:31,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7524 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:38:31,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-10-11 23:38:31,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1382. [2024-10-11 23:38:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7698504027617952) internal successors, (1538), 1376 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:38:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2544 transitions. [2024-10-11 23:38:31,481 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2544 transitions. Word has length 63 [2024-10-11 23:38:31,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:31,481 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2544 transitions. [2024-10-11 23:38:31,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 23:38:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2544 transitions. [2024-10-11 23:38:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:38:31,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:31,484 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 23:38:31,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:38:31,484 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:31,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:31,485 INFO L85 PathProgramCache]: Analyzing trace with hash 17459717, now seen corresponding path program 1 times [2024-10-11 23:38:31,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:31,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453708375] [2024-10-11 23:38:31,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:31,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:31,835 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 23:38:31,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:31,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453708375] [2024-10-11 23:38:31,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453708375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:31,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:31,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:38:31,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259486272] [2024-10-11 23:38:31,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:31,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:38:31,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:31,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:38:31,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:38:31,841 INFO L87 Difference]: Start difference. First operand 1382 states and 2544 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 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 23:38:31,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:31,967 INFO L93 Difference]: Finished difference Result 2715 states and 5015 transitions. [2024-10-11 23:38:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:38:31,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 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 23:38:31,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:31,982 INFO L225 Difference]: With dead ends: 2715 [2024-10-11 23:38:31,983 INFO L226 Difference]: Without dead ends: 1340 [2024-10-11 23:38:31,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:38:31,990 INFO L432 NwaCegarLoop]: 2432 mSDtfsCounter, 18 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:31,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 7280 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:38:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-10-11 23:38:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-10-11 23:38:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 827 states have (on average 1.7666263603385732) internal successors, (1461), 1334 states have internal predecessors, (1461), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:38:32,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 2467 transitions. [2024-10-11 23:38:32,213 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 2467 transitions. Word has length 80 [2024-10-11 23:38:32,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:32,214 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 2467 transitions. [2024-10-11 23:38:32,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 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 23:38:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2467 transitions. [2024-10-11 23:38:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:38:32,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:32,217 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 23:38:32,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:38:32,217 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:32,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:32,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1769205833, now seen corresponding path program 1 times [2024-10-11 23:38:32,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:32,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185866975] [2024-10-11 23:38:32,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:32,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:32,400 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 23:38:32,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185866975] [2024-10-11 23:38:32,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185866975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:32,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:32,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:38:32,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110872820] [2024-10-11 23:38:32,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:32,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:38:32,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:32,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:38:32,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:38:32,403 INFO L87 Difference]: Start difference. First operand 1340 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 23:38:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:32,480 INFO L93 Difference]: Finished difference Result 2673 states and 4927 transitions. [2024-10-11 23:38:32,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:38:32,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 23:38:32,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:32,493 INFO L225 Difference]: With dead ends: 2673 [2024-10-11 23:38:32,493 INFO L226 Difference]: Without dead ends: 1340 [2024-10-11 23:38:32,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 23:38:32,499 INFO L432 NwaCegarLoop]: 2446 mSDtfsCounter, 1 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4871 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:32,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4871 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:38:32,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-10-11 23:38:32,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-10-11 23:38:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 827 states have (on average 1.7629987908101572) internal successors, (1458), 1334 states have internal predecessors, (1458), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:38:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 2464 transitions. [2024-10-11 23:38:32,649 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 2464 transitions. Word has length 80 [2024-10-11 23:38:32,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:32,650 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 2464 transitions. [2024-10-11 23:38:32,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 23:38:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2464 transitions. [2024-10-11 23:38:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:38:32,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:32,652 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 23:38:32,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:38:32,652 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:32,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1067679675, now seen corresponding path program 1 times [2024-10-11 23:38:32,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:32,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22726007] [2024-10-11 23:38:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:32,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:32,813 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 23:38:32,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:32,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22726007] [2024-10-11 23:38:32,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22726007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:32,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:32,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:38:32,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99475110] [2024-10-11 23:38:32,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:32,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:38:32,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:32,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:38:32,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:38:32,816 INFO L87 Difference]: Start difference. First operand 1340 states and 2464 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 23:38:32,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:32,966 INFO L93 Difference]: Finished difference Result 3901 states and 7245 transitions. [2024-10-11 23:38:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:38:32,967 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 23:38:32,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:32,988 INFO L225 Difference]: With dead ends: 3901 [2024-10-11 23:38:32,989 INFO L226 Difference]: Without dead ends: 2568 [2024-10-11 23:38:32,996 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 23:38:32,997 INFO L432 NwaCegarLoop]: 2887 mSDtfsCounter, 1266 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 5326 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:32,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 5326 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:38:33,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2024-10-11 23:38:33,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2564. [2024-10-11 23:38:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 1551 states have (on average 1.7923920051579627) internal successors, (2780), 2558 states have internal predecessors, (2780), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-11 23:38:33,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 4786 transitions. [2024-10-11 23:38:33,291 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 4786 transitions. Word has length 80 [2024-10-11 23:38:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:33,291 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 4786 transitions. [2024-10-11 23:38:33,292 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 23:38:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 4786 transitions. [2024-10-11 23:38:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 23:38:33,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:33,293 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:33,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:38:33,293 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:33,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:33,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1056364846, now seen corresponding path program 1 times [2024-10-11 23:38:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:33,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959597785] [2024-10-11 23:38:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:38:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:33,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:38:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:38:33,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:33,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959597785] [2024-10-11 23:38:33,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959597785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:33,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:38:33,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:38:33,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137775459] [2024-10-11 23:38:33,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:33,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:38:33,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:33,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:38:33,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:38:33,668 INFO L87 Difference]: Start difference. First operand 2564 states and 4786 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:38:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:38,734 INFO L93 Difference]: Finished difference Result 4806 states and 9133 transitions. [2024-10-11 23:38:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:38:38,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2024-10-11 23:38:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:38,769 INFO L225 Difference]: With dead ends: 4806 [2024-10-11 23:38:38,773 INFO L226 Difference]: Without dead ends: 4804 [2024-10-11 23:38:38,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:38:38,776 INFO L432 NwaCegarLoop]: 2715 mSDtfsCounter, 1355 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 7505 SdHoareTripleChecker+Invalid, 3676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:38,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 7505 Invalid, 3676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-11 23:38:38,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2024-10-11 23:38:39,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 2628. [2024-10-11 23:38:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 1612 states have (on average 1.7729528535980148) internal successors, (2858), 2619 states have internal predecessors, (2858), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:38:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 4870 transitions. [2024-10-11 23:38:39,258 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 4870 transitions. Word has length 93 [2024-10-11 23:38:39,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:39,259 INFO L471 AbstractCegarLoop]: Abstraction has 2628 states and 4870 transitions. [2024-10-11 23:38:39,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:38:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 4870 transitions. [2024-10-11 23:38:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 23:38:39,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:39,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:39,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:38:39,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:39,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:39,262 INFO L85 PathProgramCache]: Analyzing trace with hash 330141041, now seen corresponding path program 1 times [2024-10-11 23:38:39,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:39,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503437476] [2024-10-11 23:38:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:39,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:39,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:38:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:39,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:38:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:38:39,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:39,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503437476] [2024-10-11 23:38:39,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503437476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:38:39,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262467721] [2024-10-11 23:38:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:39,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:39,777 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 23:38:39,779 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 23:38:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:40,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 23:38:40,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:38:40,083 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 23:38:40,108 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 23:38:40,131 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 23:38:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:38:40,834 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:38:40,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262467721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:40,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:38:40,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-11 23:38:40,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978327173] [2024-10-11 23:38:40,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:40,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:38:40,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:40,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:38:40,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:38:40,838 INFO L87 Difference]: Start difference. First operand 2628 states and 4870 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:38:43,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:43,248 INFO L93 Difference]: Finished difference Result 7387 states and 13946 transitions. [2024-10-11 23:38:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:38:43,249 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-11 23:38:43,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:43,291 INFO L225 Difference]: With dead ends: 7387 [2024-10-11 23:38:43,295 INFO L226 Difference]: Without dead ends: 4804 [2024-10-11 23:38:43,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:38:43,308 INFO L432 NwaCegarLoop]: 2696 mSDtfsCounter, 1549 mSDsluCounter, 14990 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2051 SdHoareTripleChecker+Valid, 17686 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:43,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2051 Valid, 17686 Invalid, 1192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 23:38:43,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2024-10-11 23:38:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 2628. [2024-10-11 23:38:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 1612 states have (on average 1.772332506203474) internal successors, (2857), 2619 states have internal predecessors, (2857), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:38:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 4869 transitions. [2024-10-11 23:38:43,988 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 4869 transitions. Word has length 99 [2024-10-11 23:38:43,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:43,989 INFO L471 AbstractCegarLoop]: Abstraction has 2628 states and 4869 transitions. [2024-10-11 23:38:43,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:38:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 4869 transitions. [2024-10-11 23:38:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 23:38:43,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:43,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:44,010 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 23:38:44,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:44,191 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:38:44,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:44,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1019985556, now seen corresponding path program 1 times [2024-10-11 23:38:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887383985] [2024-10-11 23:38:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:44,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:38:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:38:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:38:44,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887383985] [2024-10-11 23:38:44,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887383985] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:38:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486791974] [2024-10-11 23:38:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:44,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:44,549 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 23:38:44,552 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 23:38:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:44,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:38:44,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:39:34,295 WARN L286 SmtUtils]: Spent 5.23s 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)