./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1b965f33911949d5293afac2c8bd242d07bfd4e9981eefc7864b2608138df3f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 15:00:09,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 15:00:09,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 15:00:09,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 15:00:09,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 15:00:09,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 15:00:09,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 15:00:09,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 15:00:09,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 15:00:09,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 15:00:09,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 15:00:09,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 15:00:09,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 15:00:09,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 15:00:09,804 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 15:00:09,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 15:00:09,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 15:00:09,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 15:00:09,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 15:00:09,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 15:00:09,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 15:00:09,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 15:00:09,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 15:00:09,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 15:00:09,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 15:00:09,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 15:00:09,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 15:00:09,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 15:00:09,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 15:00:09,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 15:00:09,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 15:00:09,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 15:00:09,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:00:09,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 15:00:09,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 15:00:09,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 15:00:09,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 15:00:09,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 15:00:09,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 15:00:09,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 15:00:09,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 15:00:09,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 15:00:09,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b965f33911949d5293afac2c8bd242d07bfd4e9981eefc7864b2608138df3f [2024-11-18 15:00:10,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 15:00:10,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 15:00:10,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 15:00:10,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 15:00:10,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 15:00:10,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:00:11,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 15:00:11,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 15:00:11,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:00:11,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd22caa/16b03fd0a3b24df99e99fa9bceb9269f/FLAGa65f281f4 [2024-11-18 15:00:11,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd22caa/16b03fd0a3b24df99e99fa9bceb9269f [2024-11-18 15:00:11,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 15:00:11,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 15:00:11,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 15:00:11,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 15:00:11,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 15:00:11,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:00:11" (1/1) ... [2024-11-18 15:00:11,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67681a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:11, skipping insertion in model container [2024-11-18 15:00:11,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:00:11" (1/1) ... [2024-11-18 15:00:12,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 15:00:12,500 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11900,11913] [2024-11-18 15:00:12,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18638,18651] [2024-11-18 15:00:12,574 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20836,20849] [2024-11-18 15:00:12,582 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21913,21926] [2024-11-18 15:00:12,606 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25266,25279] [2024-11-18 15:00:12,611 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26346,26359] [2024-11-18 15:00:12,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28575,28588] [2024-11-18 15:00:12,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:00:12,995 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 15:00:13,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11900,11913] [2024-11-18 15:00:13,041 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18638,18651] [2024-11-18 15:00:13,047 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20836,20849] [2024-11-18 15:00:13,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21913,21926] [2024-11-18 15:00:13,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25266,25279] [2024-11-18 15:00:13,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26346,26359] [2024-11-18 15:00:13,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28575,28588] [2024-11-18 15:00:13,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:00:13,312 INFO L204 MainTranslator]: Completed translation [2024-11-18 15:00:13,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13 WrapperNode [2024-11-18 15:00:13,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 15:00:13,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 15:00:13,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 15:00:13,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 15:00:13,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,493 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7046 [2024-11-18 15:00:13,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 15:00:13,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 15:00:13,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 15:00:13,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 15:00:13,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,648 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 15:00:13,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 15:00:13,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 15:00:13,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 15:00:13,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 15:00:13,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (1/1) ... [2024-11-18 15:00:13,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:00:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:00:13,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 15:00:13,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 15:00:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 15:00:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 15:00:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 15:00:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 15:00:14,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 15:00:14,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 15:00:17,185 INFO L? ?]: Removed 1112 outVars from TransFormulas that were not future-live. [2024-11-18 15:00:17,185 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 15:00:17,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 15:00:17,235 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 15:00:17,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:00:17 BoogieIcfgContainer [2024-11-18 15:00:17,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 15:00:17,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 15:00:17,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 15:00:17,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 15:00:17,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:00:11" (1/3) ... [2024-11-18 15:00:17,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a1eabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:00:17, skipping insertion in model container [2024-11-18 15:00:17,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:00:13" (2/3) ... [2024-11-18 15:00:17,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a1eabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:00:17, skipping insertion in model container [2024-11-18 15:00:17,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:00:17" (3/3) ... [2024-11-18 15:00:17,247 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-18 15:00:17,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 15:00:17,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-18 15:00:17,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 15:00:17,370 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;@4ef66f3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 15:00:17,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-18 15:00:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 15:00:17,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:17,399 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] [2024-11-18 15:00:17,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:17,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:17,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1027637325, now seen corresponding path program 1 times [2024-11-18 15:00:17,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226170977] [2024-11-18 15:00:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:18,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:18,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226170977] [2024-11-18 15:00:18,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226170977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:18,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:18,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:00:18,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799645726] [2024-11-18 15:00:18,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:18,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:00:18,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:18,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:00:18,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:00:18,104 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 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) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2024-11-18 15:00:18,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:18,979 INFO L93 Difference]: Finished difference Result 1791 states and 3276 transitions. [2024-11-18 15:00:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:00:18,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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 [2024-11-18 15:00:18,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:19,008 INFO L225 Difference]: With dead ends: 1791 [2024-11-18 15:00:19,008 INFO L226 Difference]: Without dead ends: 988 [2024-11-18 15:00:19,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:19,021 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 5044 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5044 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:19,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5044 Valid, 1251 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 15:00:19,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-18 15:00:19,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 980. [2024-11-18 15:00:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 973 states have (on average 1.3473792394655704) internal successors, (1311), 979 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1311 transitions. [2024-11-18 15:00:19,114 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1311 transitions. Word has length 63 [2024-11-18 15:00:19,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:19,115 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1311 transitions. [2024-11-18 15:00:19,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2024-11-18 15:00:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1311 transitions. [2024-11-18 15:00:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 15:00:19,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:19,119 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] [2024-11-18 15:00:19,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 15:00:19,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:19,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:19,120 INFO L85 PathProgramCache]: Analyzing trace with hash 517550277, now seen corresponding path program 1 times [2024-11-18 15:00:19,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:19,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350507551] [2024-11-18 15:00:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:19,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:19,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:19,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350507551] [2024-11-18 15:00:19,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350507551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:19,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:19,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:19,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126366427] [2024-11-18 15:00:19,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:19,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:19,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:19,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:19,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:19,284 INFO L87 Difference]: Start difference. First operand 980 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:19,333 INFO L93 Difference]: Finished difference Result 1944 states and 2688 transitions. [2024-11-18 15:00:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:19,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2024-11-18 15:00:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:19,339 INFO L225 Difference]: With dead ends: 1944 [2024-11-18 15:00:19,340 INFO L226 Difference]: Without dead ends: 1551 [2024-11-18 15:00:19,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:19,342 INFO L432 NwaCegarLoop]: 1423 mSDtfsCounter, 896 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:19,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2024-11-18 15:00:19,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1542. [2024-11-18 15:00:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1535 states have (on average 1.358957654723127) internal successors, (2086), 1541 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2086 transitions. [2024-11-18 15:00:19,373 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2086 transitions. Word has length 64 [2024-11-18 15:00:19,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:19,374 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2086 transitions. [2024-11-18 15:00:19,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2086 transitions. [2024-11-18 15:00:19,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 15:00:19,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:19,378 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] [2024-11-18 15:00:19,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 15:00:19,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:19,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1546123801, now seen corresponding path program 1 times [2024-11-18 15:00:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:19,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517254019] [2024-11-18 15:00:19,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:19,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:19,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:19,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517254019] [2024-11-18 15:00:19,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517254019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:19,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:19,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:19,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946283058] [2024-11-18 15:00:19,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:19,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:19,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:19,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:19,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:19,495 INFO L87 Difference]: Start difference. First operand 1542 states and 2086 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:19,621 INFO L93 Difference]: Finished difference Result 2563 states and 3607 transitions. [2024-11-18 15:00:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:19,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2024-11-18 15:00:19,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:19,630 INFO L225 Difference]: With dead ends: 2563 [2024-11-18 15:00:19,630 INFO L226 Difference]: Without dead ends: 2064 [2024-11-18 15:00:19,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:19,633 INFO L432 NwaCegarLoop]: 1158 mSDtfsCounter, 533 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:19,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 1867 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:00:19,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2024-11-18 15:00:19,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2056. [2024-11-18 15:00:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2049 states have (on average 1.3831137140068326) internal successors, (2834), 2055 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2834 transitions. [2024-11-18 15:00:19,686 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2834 transitions. Word has length 64 [2024-11-18 15:00:19,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:19,687 INFO L471 AbstractCegarLoop]: Abstraction has 2056 states and 2834 transitions. [2024-11-18 15:00:19,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2834 transitions. [2024-11-18 15:00:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 15:00:19,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:19,691 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] [2024-11-18 15:00:19,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 15:00:19,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:19,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1930220714, now seen corresponding path program 1 times [2024-11-18 15:00:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:19,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794144555] [2024-11-18 15:00:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:19,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:19,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794144555] [2024-11-18 15:00:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794144555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:19,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:19,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:19,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53285325] [2024-11-18 15:00:19,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:19,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:19,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:19,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:19,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:19,891 INFO L87 Difference]: Start difference. First operand 2056 states and 2834 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:19,972 INFO L93 Difference]: Finished difference Result 3948 states and 5626 transitions. [2024-11-18 15:00:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:19,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2024-11-18 15:00:19,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:19,985 INFO L225 Difference]: With dead ends: 3948 [2024-11-18 15:00:19,985 INFO L226 Difference]: Without dead ends: 2914 [2024-11-18 15:00:19,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:19,991 INFO L432 NwaCegarLoop]: 1082 mSDtfsCounter, 554 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:19,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1799 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2024-11-18 15:00:20,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2906. [2024-11-18 15:00:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2906 states, 2899 states have (on average 1.3997930320800276) internal successors, (4058), 2905 states have internal predecessors, (4058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 4058 transitions. [2024-11-18 15:00:20,072 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 4058 transitions. Word has length 64 [2024-11-18 15:00:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:20,074 INFO L471 AbstractCegarLoop]: Abstraction has 2906 states and 4058 transitions. [2024-11-18 15:00:20,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 4058 transitions. [2024-11-18 15:00:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 15:00:20,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:20,081 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] [2024-11-18 15:00:20,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 15:00:20,082 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:20,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:20,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1847708861, now seen corresponding path program 1 times [2024-11-18 15:00:20,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:20,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112599731] [2024-11-18 15:00:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:20,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:20,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:20,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112599731] [2024-11-18 15:00:20,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112599731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:20,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:20,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:00:20,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872720701] [2024-11-18 15:00:20,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:20,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:00:20,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:20,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:00:20,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:00:20,288 INFO L87 Difference]: Start difference. First operand 2906 states and 4058 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:20,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:20,924 INFO L93 Difference]: Finished difference Result 5727 states and 8108 transitions. [2024-11-18 15:00:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:00:20,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-11-18 15:00:20,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:20,936 INFO L225 Difference]: With dead ends: 5727 [2024-11-18 15:00:20,937 INFO L226 Difference]: Without dead ends: 3425 [2024-11-18 15:00:20,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:20,942 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 3053 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:20,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 692 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:00:20,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2024-11-18 15:00:21,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3409. [2024-11-18 15:00:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3402 states have (on average 1.39564961787184) internal successors, (4748), 3408 states have internal predecessors, (4748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4748 transitions. [2024-11-18 15:00:21,020 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4748 transitions. Word has length 64 [2024-11-18 15:00:21,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:21,021 INFO L471 AbstractCegarLoop]: Abstraction has 3409 states and 4748 transitions. [2024-11-18 15:00:21,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4748 transitions. [2024-11-18 15:00:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 15:00:21,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:21,025 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] [2024-11-18 15:00:21,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 15:00:21,025 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:21,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:21,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1685345629, now seen corresponding path program 1 times [2024-11-18 15:00:21,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:21,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336719667] [2024-11-18 15:00:21,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:21,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:21,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:21,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336719667] [2024-11-18 15:00:21,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336719667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:21,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:21,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:00:21,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71823021] [2024-11-18 15:00:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:21,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:00:21,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:21,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:00:21,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:00:21,205 INFO L87 Difference]: Start difference. First operand 3409 states and 4748 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:21,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:21,660 INFO L93 Difference]: Finished difference Result 8321 states and 11858 transitions. [2024-11-18 15:00:21,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:00:21,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-11-18 15:00:21,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:21,680 INFO L225 Difference]: With dead ends: 8321 [2024-11-18 15:00:21,681 INFO L226 Difference]: Without dead ends: 5201 [2024-11-18 15:00:21,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:21,688 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 2716 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:21,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2716 Valid, 644 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:00:21,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5201 states. [2024-11-18 15:00:21,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5201 to 5193. [2024-11-18 15:00:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5193 states, 5186 states have (on average 1.4251831854994215) internal successors, (7391), 5192 states have internal predecessors, (7391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 5193 states and 7391 transitions. [2024-11-18 15:00:21,790 INFO L78 Accepts]: Start accepts. Automaton has 5193 states and 7391 transitions. Word has length 64 [2024-11-18 15:00:21,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:21,791 INFO L471 AbstractCegarLoop]: Abstraction has 5193 states and 7391 transitions. [2024-11-18 15:00:21,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 7391 transitions. [2024-11-18 15:00:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:00:21,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:21,796 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] [2024-11-18 15:00:21,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 15:00:21,797 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:21,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:21,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1051430303, now seen corresponding path program 1 times [2024-11-18 15:00:21,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:21,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202390820] [2024-11-18 15:00:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:21,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:21,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:21,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202390820] [2024-11-18 15:00:21,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202390820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:21,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:21,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:21,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542433142] [2024-11-18 15:00:21,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:21,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:21,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:21,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:21,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:21,892 INFO L87 Difference]: Start difference. First operand 5193 states and 7391 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:21,955 INFO L93 Difference]: Finished difference Result 11227 states and 16123 transitions. [2024-11-18 15:00:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:21,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2024-11-18 15:00:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:21,978 INFO L225 Difference]: With dead ends: 11227 [2024-11-18 15:00:21,978 INFO L226 Difference]: Without dead ends: 7168 [2024-11-18 15:00:21,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:21,986 INFO L432 NwaCegarLoop]: 960 mSDtfsCounter, 584 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:21,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1525 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7168 states. [2024-11-18 15:00:22,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7168 to 7136. [2024-11-18 15:00:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7136 states, 7129 states have (on average 1.4025810071538785) internal successors, (9999), 7135 states have internal predecessors, (9999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 9999 transitions. [2024-11-18 15:00:22,192 INFO L78 Accepts]: Start accepts. Automaton has 7136 states and 9999 transitions. Word has length 65 [2024-11-18 15:00:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:22,192 INFO L471 AbstractCegarLoop]: Abstraction has 7136 states and 9999 transitions. [2024-11-18 15:00:22,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 7136 states and 9999 transitions. [2024-11-18 15:00:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-18 15:00:22,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:22,200 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] [2024-11-18 15:00:22,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 15:00:22,200 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:22,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1899148000, now seen corresponding path program 1 times [2024-11-18 15:00:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462510236] [2024-11-18 15:00:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:22,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:22,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462510236] [2024-11-18 15:00:22,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462510236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:22,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:22,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:00:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97373181] [2024-11-18 15:00:22,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:22,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:00:22,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:22,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:00:22,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:00:22,351 INFO L87 Difference]: Start difference. First operand 7136 states and 9999 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:22,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:22,806 INFO L93 Difference]: Finished difference Result 16263 states and 22960 transitions. [2024-11-18 15:00:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:00:22,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2024-11-18 15:00:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:22,837 INFO L225 Difference]: With dead ends: 16263 [2024-11-18 15:00:22,837 INFO L226 Difference]: Without dead ends: 9563 [2024-11-18 15:00:22,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:22,852 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 2380 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2380 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:22,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2380 Valid, 577 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:00:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9563 states. [2024-11-18 15:00:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9563 to 9519. [2024-11-18 15:00:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9519 states, 9512 states have (on average 1.403174936921783) internal successors, (13347), 9518 states have internal predecessors, (13347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9519 states to 9519 states and 13347 transitions. [2024-11-18 15:00:23,103 INFO L78 Accepts]: Start accepts. Automaton has 9519 states and 13347 transitions. Word has length 66 [2024-11-18 15:00:23,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:23,103 INFO L471 AbstractCegarLoop]: Abstraction has 9519 states and 13347 transitions. [2024-11-18 15:00:23,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9519 states and 13347 transitions. [2024-11-18 15:00:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:00:23,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:23,114 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:23,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 15:00:23,115 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:23,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:23,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1449474395, now seen corresponding path program 1 times [2024-11-18 15:00:23,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:23,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166563110] [2024-11-18 15:00:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:23,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:23,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166563110] [2024-11-18 15:00:23,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166563110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:23,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:23,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:23,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936255297] [2024-11-18 15:00:23,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:23,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:00:23,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:23,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:00:23,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:23,341 INFO L87 Difference]: Start difference. First operand 9519 states and 13347 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:23,965 INFO L93 Difference]: Finished difference Result 20215 states and 28697 transitions. [2024-11-18 15:00:23,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:00:23,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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 67 [2024-11-18 15:00:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:23,993 INFO L225 Difference]: With dead ends: 20215 [2024-11-18 15:00:23,993 INFO L226 Difference]: Without dead ends: 15635 [2024-11-18 15:00:24,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:24,005 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2868 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:24,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2868 Valid, 1054 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:00:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15635 states. [2024-11-18 15:00:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15635 to 9547. [2024-11-18 15:00:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9547 states, 9540 states have (on average 1.4028301886792454) internal successors, (13383), 9546 states have internal predecessors, (13383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9547 states to 9547 states and 13383 transitions. [2024-11-18 15:00:24,269 INFO L78 Accepts]: Start accepts. Automaton has 9547 states and 13383 transitions. Word has length 67 [2024-11-18 15:00:24,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:24,269 INFO L471 AbstractCegarLoop]: Abstraction has 9547 states and 13383 transitions. [2024-11-18 15:00:24,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 9547 states and 13383 transitions. [2024-11-18 15:00:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:00:24,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:24,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:24,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 15:00:24,278 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:24,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:24,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1861181409, now seen corresponding path program 1 times [2024-11-18 15:00:24,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:24,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763241972] [2024-11-18 15:00:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:24,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:24,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763241972] [2024-11-18 15:00:24,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763241972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:24,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:24,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:24,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255593176] [2024-11-18 15:00:24,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:24,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:00:24,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:24,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:00:24,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:24,458 INFO L87 Difference]: Start difference. First operand 9547 states and 13383 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:25,145 INFO L93 Difference]: Finished difference Result 22546 states and 32049 transitions. [2024-11-18 15:00:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:00:25,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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 67 [2024-11-18 15:00:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:25,187 INFO L225 Difference]: With dead ends: 22546 [2024-11-18 15:00:25,187 INFO L226 Difference]: Without dead ends: 18414 [2024-11-18 15:00:25,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:25,200 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3039 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:25,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 1079 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:00:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18414 states. [2024-11-18 15:00:25,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18414 to 9618. [2024-11-18 15:00:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9618 states, 9611 states have (on average 1.4027676620538965) internal successors, (13482), 9617 states have internal predecessors, (13482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9618 states to 9618 states and 13482 transitions. [2024-11-18 15:00:25,479 INFO L78 Accepts]: Start accepts. Automaton has 9618 states and 13482 transitions. Word has length 67 [2024-11-18 15:00:25,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:25,479 INFO L471 AbstractCegarLoop]: Abstraction has 9618 states and 13482 transitions. [2024-11-18 15:00:25,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 9618 states and 13482 transitions. [2024-11-18 15:00:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:00:25,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:25,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:25,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 15:00:25,487 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:25,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:25,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2008504829, now seen corresponding path program 1 times [2024-11-18 15:00:25,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:25,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928035012] [2024-11-18 15:00:25,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:25,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:25,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:25,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928035012] [2024-11-18 15:00:25,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928035012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:25,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:25,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:25,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311369597] [2024-11-18 15:00:25,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:25,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:00:25,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:25,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:00:25,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:25,659 INFO L87 Difference]: Start difference. First operand 9618 states and 13482 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:26,224 INFO L93 Difference]: Finished difference Result 26792 states and 38156 transitions. [2024-11-18 15:00:26,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:00:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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 67 [2024-11-18 15:00:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:26,309 INFO L225 Difference]: With dead ends: 26792 [2024-11-18 15:00:26,309 INFO L226 Difference]: Without dead ends: 23249 [2024-11-18 15:00:26,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:26,316 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 3212 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:26,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 1116 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:00:26,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23249 states. [2024-11-18 15:00:26,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23249 to 9686. [2024-11-18 15:00:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9686 states, 9679 states have (on average 1.4020043392912491) internal successors, (13570), 9685 states have internal predecessors, (13570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 13570 transitions. [2024-11-18 15:00:26,523 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 13570 transitions. Word has length 67 [2024-11-18 15:00:26,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:26,524 INFO L471 AbstractCegarLoop]: Abstraction has 9686 states and 13570 transitions. [2024-11-18 15:00:26,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 13570 transitions. [2024-11-18 15:00:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:00:26,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:26,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:26,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 15:00:26,532 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:26,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 296799215, now seen corresponding path program 1 times [2024-11-18 15:00:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209454974] [2024-11-18 15:00:26,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:26,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:26,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209454974] [2024-11-18 15:00:26,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209454974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:26,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:26,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:26,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417405107] [2024-11-18 15:00:26,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:26,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:00:26,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:26,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:00:26,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:26,720 INFO L87 Difference]: Start difference. First operand 9686 states and 13570 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:27,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:27,380 INFO L93 Difference]: Finished difference Result 25457 states and 36227 transitions. [2024-11-18 15:00:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:00:27,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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 67 [2024-11-18 15:00:27,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:27,416 INFO L225 Difference]: With dead ends: 25457 [2024-11-18 15:00:27,416 INFO L226 Difference]: Without dead ends: 20959 [2024-11-18 15:00:27,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:27,430 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 3116 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:27,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3116 Valid, 1098 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:00:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20959 states. [2024-11-18 15:00:27,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20959 to 9849. [2024-11-18 15:00:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9849 states, 9842 states have (on average 1.4006299532615323) internal successors, (13785), 9848 states have internal predecessors, (13785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 13785 transitions. [2024-11-18 15:00:27,759 INFO L78 Accepts]: Start accepts. Automaton has 9849 states and 13785 transitions. Word has length 67 [2024-11-18 15:00:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:27,760 INFO L471 AbstractCegarLoop]: Abstraction has 9849 states and 13785 transitions. [2024-11-18 15:00:27,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9849 states and 13785 transitions. [2024-11-18 15:00:27,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:00:27,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:27,771 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] [2024-11-18 15:00:27,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 15:00:27,772 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:27,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:27,772 INFO L85 PathProgramCache]: Analyzing trace with hash -766843701, now seen corresponding path program 1 times [2024-11-18 15:00:27,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058969890] [2024-11-18 15:00:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:28,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:28,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058969890] [2024-11-18 15:00:28,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058969890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:28,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:28,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:00:28,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514845400] [2024-11-18 15:00:28,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:28,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:00:28,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:28,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:00:28,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:00:28,243 INFO L87 Difference]: Start difference. First operand 9849 states and 13785 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:29,064 INFO L93 Difference]: Finished difference Result 21061 states and 29980 transitions. [2024-11-18 15:00:29,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:00:29,065 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 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 68 [2024-11-18 15:00:29,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:29,083 INFO L225 Difference]: With dead ends: 21061 [2024-11-18 15:00:29,083 INFO L226 Difference]: Without dead ends: 14850 [2024-11-18 15:00:29,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:00:29,098 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 3473 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:29,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 1823 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:00:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14850 states. [2024-11-18 15:00:29,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14850 to 9837. [2024-11-18 15:00:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9837 states, 9830 states have (on average 1.3998982706002034) internal successors, (13761), 9836 states have internal predecessors, (13761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9837 states to 9837 states and 13761 transitions. [2024-11-18 15:00:29,324 INFO L78 Accepts]: Start accepts. Automaton has 9837 states and 13761 transitions. Word has length 68 [2024-11-18 15:00:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:29,324 INFO L471 AbstractCegarLoop]: Abstraction has 9837 states and 13761 transitions. [2024-11-18 15:00:29,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 9837 states and 13761 transitions. [2024-11-18 15:00:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:00:29,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:29,332 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] [2024-11-18 15:00:29,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 15:00:29,333 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:29,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:29,334 INFO L85 PathProgramCache]: Analyzing trace with hash -646757943, now seen corresponding path program 1 times [2024-11-18 15:00:29,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:29,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585913001] [2024-11-18 15:00:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:29,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:29,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585913001] [2024-11-18 15:00:29,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585913001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:29,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:29,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:00:29,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681798789] [2024-11-18 15:00:29,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:29,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:00:29,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:29,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:00:29,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:00:29,679 INFO L87 Difference]: Start difference. First operand 9837 states and 13761 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:30,397 INFO L93 Difference]: Finished difference Result 21219 states and 30217 transitions. [2024-11-18 15:00:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:00:30,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 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 68 [2024-11-18 15:00:30,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:30,412 INFO L225 Difference]: With dead ends: 21219 [2024-11-18 15:00:30,412 INFO L226 Difference]: Without dead ends: 14984 [2024-11-18 15:00:30,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:00:30,420 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 3552 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:30,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 1771 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:00:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14984 states. [2024-11-18 15:00:30,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14984 to 9813. [2024-11-18 15:00:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 9806 states have (on average 1.3993473383642667) internal successors, (13722), 9812 states have internal predecessors, (13722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:30,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 13722 transitions. [2024-11-18 15:00:30,568 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 13722 transitions. Word has length 68 [2024-11-18 15:00:30,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:30,568 INFO L471 AbstractCegarLoop]: Abstraction has 9813 states and 13722 transitions. [2024-11-18 15:00:30,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:30,569 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 13722 transitions. [2024-11-18 15:00:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:00:30,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:30,576 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] [2024-11-18 15:00:30,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 15:00:30,577 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:30,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash 850267752, now seen corresponding path program 1 times [2024-11-18 15:00:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:30,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136786437] [2024-11-18 15:00:30,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:30,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:30,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136786437] [2024-11-18 15:00:30,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136786437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:30,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:30,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:30,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491336060] [2024-11-18 15:00:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:30,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 15:00:30,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 15:00:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:00:30,780 INFO L87 Difference]: Start difference. First operand 9813 states and 13722 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:31,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:31,335 INFO L93 Difference]: Finished difference Result 22821 states and 32401 transitions. [2024-11-18 15:00:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:00:31,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 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 68 [2024-11-18 15:00:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:31,355 INFO L225 Difference]: With dead ends: 22821 [2024-11-18 15:00:31,355 INFO L226 Difference]: Without dead ends: 18675 [2024-11-18 15:00:31,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:31,364 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3027 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:31,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 1079 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:00:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18675 states. [2024-11-18 15:00:31,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18675 to 9904. [2024-11-18 15:00:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9904 states, 9897 states have (on average 1.3994139638274226) internal successors, (13850), 9903 states have internal predecessors, (13850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9904 states to 9904 states and 13850 transitions. [2024-11-18 15:00:31,552 INFO L78 Accepts]: Start accepts. Automaton has 9904 states and 13850 transitions. Word has length 68 [2024-11-18 15:00:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:31,553 INFO L471 AbstractCegarLoop]: Abstraction has 9904 states and 13850 transitions. [2024-11-18 15:00:31,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9904 states and 13850 transitions. [2024-11-18 15:00:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:00:31,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:31,560 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] [2024-11-18 15:00:31,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 15:00:31,561 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:31,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash -16939312, now seen corresponding path program 1 times [2024-11-18 15:00:31,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:31,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812183456] [2024-11-18 15:00:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:31,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:31,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812183456] [2024-11-18 15:00:31,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812183456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:31,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:31,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:00:31,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120158917] [2024-11-18 15:00:31,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:31,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:00:31,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:31,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:00:31,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:00:31,932 INFO L87 Difference]: Start difference. First operand 9904 states and 13850 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:32,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:32,861 INFO L93 Difference]: Finished difference Result 20189 states and 28693 transitions. [2024-11-18 15:00:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:00:32,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 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 68 [2024-11-18 15:00:32,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:32,874 INFO L225 Difference]: With dead ends: 20189 [2024-11-18 15:00:32,874 INFO L226 Difference]: Without dead ends: 13730 [2024-11-18 15:00:32,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:00:32,878 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 3086 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:32,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 2063 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 15:00:32,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13730 states. [2024-11-18 15:00:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13730 to 9769. [2024-11-18 15:00:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9769 states, 9762 states have (on average 1.3994058594550296) internal successors, (13661), 9768 states have internal predecessors, (13661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 13661 transitions. [2024-11-18 15:00:32,998 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 13661 transitions. Word has length 68 [2024-11-18 15:00:32,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:32,998 INFO L471 AbstractCegarLoop]: Abstraction has 9769 states and 13661 transitions. [2024-11-18 15:00:32,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 13661 transitions. [2024-11-18 15:00:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:00:33,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:33,006 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] [2024-11-18 15:00:33,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 15:00:33,006 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:33,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:33,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1623797592, now seen corresponding path program 1 times [2024-11-18 15:00:33,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:33,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007441572] [2024-11-18 15:00:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:33,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:33,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007441572] [2024-11-18 15:00:33,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007441572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:33,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:33,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:00:33,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158482748] [2024-11-18 15:00:33,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:33,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 15:00:33,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:33,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 15:00:33,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 15:00:33,337 INFO L87 Difference]: Start difference. First operand 9769 states and 13661 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:34,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:34,060 INFO L93 Difference]: Finished difference Result 20851 states and 29733 transitions. [2024-11-18 15:00:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:00:34,060 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 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 68 [2024-11-18 15:00:34,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:34,072 INFO L225 Difference]: With dead ends: 20851 [2024-11-18 15:00:34,072 INFO L226 Difference]: Without dead ends: 13892 [2024-11-18 15:00:34,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:00:34,081 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 2814 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:34,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 1558 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:00:34,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13892 states. [2024-11-18 15:00:34,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13892 to 9442. [2024-11-18 15:00:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9442 states, 9435 states have (on average 1.398834128245893) internal successors, (13198), 9441 states have internal predecessors, (13198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9442 states to 9442 states and 13198 transitions. [2024-11-18 15:00:34,199 INFO L78 Accepts]: Start accepts. Automaton has 9442 states and 13198 transitions. Word has length 68 [2024-11-18 15:00:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:34,200 INFO L471 AbstractCegarLoop]: Abstraction has 9442 states and 13198 transitions. [2024-11-18 15:00:34,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9442 states and 13198 transitions. [2024-11-18 15:00:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 15:00:34,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:34,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:34,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 15:00:34,207 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:34,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:34,208 INFO L85 PathProgramCache]: Analyzing trace with hash 601134174, now seen corresponding path program 1 times [2024-11-18 15:00:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:34,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372055835] [2024-11-18 15:00:34,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:34,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:34,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:34,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372055835] [2024-11-18 15:00:34,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372055835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:34,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:34,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:00:34,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976767307] [2024-11-18 15:00:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:34,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:00:34,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:34,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:00:34,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:34,954 INFO L87 Difference]: Start difference. First operand 9442 states and 13198 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:35,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:35,703 INFO L93 Difference]: Finished difference Result 20553 states and 29382 transitions. [2024-11-18 15:00:35,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:00:35,704 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-18 15:00:35,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:35,726 INFO L225 Difference]: With dead ends: 20553 [2024-11-18 15:00:35,727 INFO L226 Difference]: Without dead ends: 13932 [2024-11-18 15:00:35,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:00:35,738 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 3750 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:35,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 2701 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:00:35,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13932 states. [2024-11-18 15:00:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13932 to 8975. [2024-11-18 15:00:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8975 states, 8970 states have (on average 1.4018952062430323) internal successors, (12575), 8974 states have internal predecessors, (12575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 12575 transitions. [2024-11-18 15:00:35,852 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 12575 transitions. Word has length 69 [2024-11-18 15:00:35,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:35,853 INFO L471 AbstractCegarLoop]: Abstraction has 8975 states and 12575 transitions. [2024-11-18 15:00:35,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 12575 transitions. [2024-11-18 15:00:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 15:00:35,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:35,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:35,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 15:00:35,857 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:35,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash -10442599, now seen corresponding path program 1 times [2024-11-18 15:00:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:35,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256823696] [2024-11-18 15:00:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:36,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:36,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256823696] [2024-11-18 15:00:36,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256823696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:36,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:36,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:00:36,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139537384] [2024-11-18 15:00:36,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:36,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:00:36,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:36,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:00:36,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:00:36,338 INFO L87 Difference]: Start difference. First operand 8975 states and 12575 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:37,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:37,193 INFO L93 Difference]: Finished difference Result 29362 states and 42183 transitions. [2024-11-18 15:00:37,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 15:00:37,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-18 15:00:37,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:37,224 INFO L225 Difference]: With dead ends: 29362 [2024-11-18 15:00:37,224 INFO L226 Difference]: Without dead ends: 22903 [2024-11-18 15:00:37,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-18 15:00:37,236 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 4616 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4616 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:37,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4616 Valid, 2160 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:00:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22903 states. [2024-11-18 15:00:37,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22903 to 8727. [2024-11-18 15:00:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8727 states, 8723 states have (on average 1.4004356299438268) internal successors, (12216), 8726 states have internal predecessors, (12216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 12216 transitions. [2024-11-18 15:00:37,392 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 12216 transitions. Word has length 69 [2024-11-18 15:00:37,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:37,392 INFO L471 AbstractCegarLoop]: Abstraction has 8727 states and 12216 transitions. [2024-11-18 15:00:37,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 12216 transitions. [2024-11-18 15:00:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-18 15:00:37,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:37,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:37,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 15:00:37,397 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:37,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:37,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1218623503, now seen corresponding path program 1 times [2024-11-18 15:00:37,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:37,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796940254] [2024-11-18 15:00:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:37,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:38,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:38,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796940254] [2024-11-18 15:00:38,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796940254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:38,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:38,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-18 15:00:38,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972704469] [2024-11-18 15:00:38,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:38,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 15:00:38,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:38,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 15:00:38,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:00:38,078 INFO L87 Difference]: Start difference. First operand 8727 states and 12216 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:39,195 INFO L93 Difference]: Finished difference Result 29415 states and 42327 transitions. [2024-11-18 15:00:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-18 15:00:39,196 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-18 15:00:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:39,218 INFO L225 Difference]: With dead ends: 29415 [2024-11-18 15:00:39,219 INFO L226 Difference]: Without dead ends: 23210 [2024-11-18 15:00:39,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-18 15:00:39,229 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 4302 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4302 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:39,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4302 Valid, 3856 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 15:00:39,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23210 states. [2024-11-18 15:00:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23210 to 8707. [2024-11-18 15:00:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8707 states, 8704 states have (on average 1.3992417279411764) internal successors, (12179), 8706 states have internal predecessors, (12179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8707 states to 8707 states and 12179 transitions. [2024-11-18 15:00:39,402 INFO L78 Accepts]: Start accepts. Automaton has 8707 states and 12179 transitions. Word has length 69 [2024-11-18 15:00:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:39,402 INFO L471 AbstractCegarLoop]: Abstraction has 8707 states and 12179 transitions. [2024-11-18 15:00:39,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand 8707 states and 12179 transitions. [2024-11-18 15:00:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-18 15:00:39,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:39,407 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:39,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 15:00:39,407 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:39,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:39,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1003005764, now seen corresponding path program 1 times [2024-11-18 15:00:39,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:39,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12883436] [2024-11-18 15:00:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:39,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:39,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12883436] [2024-11-18 15:00:39,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12883436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:39,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:39,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:39,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220875910] [2024-11-18 15:00:39,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:39,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:39,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:39,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:39,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:39,475 INFO L87 Difference]: Start difference. First operand 8707 states and 12179 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:39,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:39,597 INFO L93 Difference]: Finished difference Result 17899 states and 25348 transitions. [2024-11-18 15:00:39,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:39,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2024-11-18 15:00:39,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:39,611 INFO L225 Difference]: With dead ends: 17899 [2024-11-18 15:00:39,611 INFO L226 Difference]: Without dead ends: 12531 [2024-11-18 15:00:39,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:39,618 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 380 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:39,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 525 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:00:39,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12531 states. [2024-11-18 15:00:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12531 to 12493. [2024-11-18 15:00:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12493 states, 12492 states have (on average 1.4219500480307397) internal successors, (17763), 12492 states have internal predecessors, (17763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12493 states to 12493 states and 17763 transitions. [2024-11-18 15:00:39,757 INFO L78 Accepts]: Start accepts. Automaton has 12493 states and 17763 transitions. Word has length 71 [2024-11-18 15:00:39,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:39,757 INFO L471 AbstractCegarLoop]: Abstraction has 12493 states and 17763 transitions. [2024-11-18 15:00:39,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 12493 states and 17763 transitions. [2024-11-18 15:00:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-18 15:00:39,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:39,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:39,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 15:00:39,768 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:39,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:39,769 INFO L85 PathProgramCache]: Analyzing trace with hash -485578834, now seen corresponding path program 1 times [2024-11-18 15:00:39,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:39,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491276167] [2024-11-18 15:00:39,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:39,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:39,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:39,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491276167] [2024-11-18 15:00:39,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491276167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:39,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:39,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:39,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032607180] [2024-11-18 15:00:39,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:39,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:00:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:39,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:00:39,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:00:39,893 INFO L87 Difference]: Start difference. First operand 12493 states and 17763 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:40,147 INFO L93 Difference]: Finished difference Result 63308 states and 92573 transitions. [2024-11-18 15:00:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:00:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-18 15:00:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:40,227 INFO L225 Difference]: With dead ends: 63308 [2024-11-18 15:00:40,228 INFO L226 Difference]: Without dead ends: 53145 [2024-11-18 15:00:40,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:00:40,256 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 2048 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:40,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 1188 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:00:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53145 states. [2024-11-18 15:00:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53145 to 22654. [2024-11-18 15:00:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22654 states, 22653 states have (on average 1.4286849423917363) internal successors, (32364), 22653 states have internal predecessors, (32364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22654 states to 22654 states and 32364 transitions. [2024-11-18 15:00:40,753 INFO L78 Accepts]: Start accepts. Automaton has 22654 states and 32364 transitions. Word has length 84 [2024-11-18 15:00:40,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:40,754 INFO L471 AbstractCegarLoop]: Abstraction has 22654 states and 32364 transitions. [2024-11-18 15:00:40,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 22654 states and 32364 transitions. [2024-11-18 15:00:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-18 15:00:40,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:40,767 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:40,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 15:00:40,768 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:40,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:40,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1437916483, now seen corresponding path program 1 times [2024-11-18 15:00:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:40,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742894979] [2024-11-18 15:00:40,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:40,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:40,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742894979] [2024-11-18 15:00:40,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742894979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:40,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:40,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510943694] [2024-11-18 15:00:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:40,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:00:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:00:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:00:40,939 INFO L87 Difference]: Start difference. First operand 22654 states and 32364 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:41,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:41,207 INFO L93 Difference]: Finished difference Result 38558 states and 55064 transitions. [2024-11-18 15:00:41,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:00:41,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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 85 [2024-11-18 15:00:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:41,243 INFO L225 Difference]: With dead ends: 38558 [2024-11-18 15:00:41,243 INFO L226 Difference]: Without dead ends: 26177 [2024-11-18 15:00:41,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:00:41,260 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 928 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:41,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1585 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:00:41,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26177 states. [2024-11-18 15:00:41,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26177 to 19313. [2024-11-18 15:00:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19313 states, 19312 states have (on average 1.4092792046396023) internal successors, (27216), 19312 states have internal predecessors, (27216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19313 states to 19313 states and 27216 transitions. [2024-11-18 15:00:41,539 INFO L78 Accepts]: Start accepts. Automaton has 19313 states and 27216 transitions. Word has length 85 [2024-11-18 15:00:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:41,539 INFO L471 AbstractCegarLoop]: Abstraction has 19313 states and 27216 transitions. [2024-11-18 15:00:41,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 19313 states and 27216 transitions. [2024-11-18 15:00:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-18 15:00:41,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:41,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:41,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 15:00:41,557 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:41,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1391083626, now seen corresponding path program 1 times [2024-11-18 15:00:41,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:41,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451108278] [2024-11-18 15:00:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:41,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:41,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451108278] [2024-11-18 15:00:41,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451108278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:41,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:41,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:41,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234916708] [2024-11-18 15:00:41,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:41,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:41,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:41,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:41,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:41,630 INFO L87 Difference]: Start difference. First operand 19313 states and 27216 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:41,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:41,712 INFO L93 Difference]: Finished difference Result 26603 states and 37462 transitions. [2024-11-18 15:00:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:41,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 86 [2024-11-18 15:00:41,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:41,736 INFO L225 Difference]: With dead ends: 26603 [2024-11-18 15:00:41,737 INFO L226 Difference]: Without dead ends: 17827 [2024-11-18 15:00:41,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:41,751 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 251 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:41,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 938 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17827 states. [2024-11-18 15:00:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17827 to 17825. [2024-11-18 15:00:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17825 states, 17824 states have (on average 1.3910457809694794) internal successors, (24794), 17824 states have internal predecessors, (24794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17825 states to 17825 states and 24794 transitions. [2024-11-18 15:00:42,094 INFO L78 Accepts]: Start accepts. Automaton has 17825 states and 24794 transitions. Word has length 86 [2024-11-18 15:00:42,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:42,095 INFO L471 AbstractCegarLoop]: Abstraction has 17825 states and 24794 transitions. [2024-11-18 15:00:42,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 17825 states and 24794 transitions. [2024-11-18 15:00:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-18 15:00:42,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:42,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:42,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 15:00:42,116 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:42,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:42,117 INFO L85 PathProgramCache]: Analyzing trace with hash -214737700, now seen corresponding path program 1 times [2024-11-18 15:00:42,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:42,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062326944] [2024-11-18 15:00:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:42,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:42,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:42,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062326944] [2024-11-18 15:00:42,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062326944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:42,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:42,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:42,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123461834] [2024-11-18 15:00:42,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:42,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:42,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:42,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:42,276 INFO L87 Difference]: Start difference. First operand 17825 states and 24794 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:42,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:42,450 INFO L93 Difference]: Finished difference Result 48233 states and 67760 transitions. [2024-11-18 15:00:42,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:42,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 86 [2024-11-18 15:00:42,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:42,503 INFO L225 Difference]: With dead ends: 48233 [2024-11-18 15:00:42,503 INFO L226 Difference]: Without dead ends: 32549 [2024-11-18 15:00:42,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:42,528 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 143 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:42,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 858 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:42,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32549 states. [2024-11-18 15:00:42,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32549 to 30563. [2024-11-18 15:00:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30563 states, 30562 states have (on average 1.3919246122635953) internal successors, (42540), 30562 states have internal predecessors, (42540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30563 states to 30563 states and 42540 transitions. [2024-11-18 15:00:43,065 INFO L78 Accepts]: Start accepts. Automaton has 30563 states and 42540 transitions. Word has length 86 [2024-11-18 15:00:43,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:43,066 INFO L471 AbstractCegarLoop]: Abstraction has 30563 states and 42540 transitions. [2024-11-18 15:00:43,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30563 states and 42540 transitions. [2024-11-18 15:00:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-18 15:00:43,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:43,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:43,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-18 15:00:43,084 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:43,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:43,084 INFO L85 PathProgramCache]: Analyzing trace with hash 181438720, now seen corresponding path program 1 times [2024-11-18 15:00:43,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:43,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494137178] [2024-11-18 15:00:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:43,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:43,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494137178] [2024-11-18 15:00:43,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494137178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:43,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:43,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:43,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069122467] [2024-11-18 15:00:43,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:43,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:43,167 INFO L87 Difference]: Start difference. First operand 30563 states and 42540 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:43,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:43,279 INFO L93 Difference]: Finished difference Result 42008 states and 58527 transitions. [2024-11-18 15:00:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:43,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 87 [2024-11-18 15:00:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:43,315 INFO L225 Difference]: With dead ends: 42008 [2024-11-18 15:00:43,315 INFO L226 Difference]: Without dead ends: 25189 [2024-11-18 15:00:43,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:43,333 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 242 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:43,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 941 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25189 states. [2024-11-18 15:00:43,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25189 to 25187. [2024-11-18 15:00:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25187 states, 25186 states have (on average 1.3823552767410465) internal successors, (34816), 25186 states have internal predecessors, (34816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25187 states to 25187 states and 34816 transitions. [2024-11-18 15:00:43,580 INFO L78 Accepts]: Start accepts. Automaton has 25187 states and 34816 transitions. Word has length 87 [2024-11-18 15:00:43,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:43,580 INFO L471 AbstractCegarLoop]: Abstraction has 25187 states and 34816 transitions. [2024-11-18 15:00:43,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 25187 states and 34816 transitions. [2024-11-18 15:00:43,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-18 15:00:43,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:43,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:43,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-18 15:00:43,591 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:43,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1393258625, now seen corresponding path program 1 times [2024-11-18 15:00:43,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:43,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021811267] [2024-11-18 15:00:43,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:43,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:43,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:43,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021811267] [2024-11-18 15:00:43,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021811267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:43,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:43,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:43,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488033843] [2024-11-18 15:00:43,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:43,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:43,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:43,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:43,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:43,703 INFO L87 Difference]: Start difference. First operand 25187 states and 34816 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:43,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:43,990 INFO L93 Difference]: Finished difference Result 69887 states and 97114 transitions. [2024-11-18 15:00:43,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:43,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 87 [2024-11-18 15:00:43,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:44,051 INFO L225 Difference]: With dead ends: 69887 [2024-11-18 15:00:44,051 INFO L226 Difference]: Without dead ends: 46777 [2024-11-18 15:00:44,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:44,068 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 130 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:44,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 840 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46777 states. [2024-11-18 15:00:44,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46777 to 43671. [2024-11-18 15:00:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43671 states, 43670 states have (on average 1.3762308220746509) internal successors, (60100), 43670 states have internal predecessors, (60100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43671 states to 43671 states and 60100 transitions. [2024-11-18 15:00:44,459 INFO L78 Accepts]: Start accepts. Automaton has 43671 states and 60100 transitions. Word has length 87 [2024-11-18 15:00:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:44,459 INFO L471 AbstractCegarLoop]: Abstraction has 43671 states and 60100 transitions. [2024-11-18 15:00:44,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 43671 states and 60100 transitions. [2024-11-18 15:00:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-18 15:00:44,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:44,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:44,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-18 15:00:44,471 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:44,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash -746388302, now seen corresponding path program 1 times [2024-11-18 15:00:44,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:44,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267063049] [2024-11-18 15:00:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:44,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:44,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267063049] [2024-11-18 15:00:44,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267063049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:44,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:44,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:44,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436978082] [2024-11-18 15:00:44,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:44,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:44,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:44,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:44,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:44,543 INFO L87 Difference]: Start difference. First operand 43671 states and 60100 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:44,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:44,679 INFO L93 Difference]: Finished difference Result 53017 states and 73039 transitions. [2024-11-18 15:00:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:44,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2024-11-18 15:00:44,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:44,717 INFO L225 Difference]: With dead ends: 53017 [2024-11-18 15:00:44,717 INFO L226 Difference]: Without dead ends: 36101 [2024-11-18 15:00:44,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:44,739 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 199 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:44,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 885 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:44,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36101 states. [2024-11-18 15:00:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36101 to 36099. [2024-11-18 15:00:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36099 states, 36098 states have (on average 1.373954235691728) internal successors, (49597), 36098 states have internal predecessors, (49597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36099 states to 36099 states and 49597 transitions. [2024-11-18 15:00:45,063 INFO L78 Accepts]: Start accepts. Automaton has 36099 states and 49597 transitions. Word has length 88 [2024-11-18 15:00:45,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:45,063 INFO L471 AbstractCegarLoop]: Abstraction has 36099 states and 49597 transitions. [2024-11-18 15:00:45,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 36099 states and 49597 transitions. [2024-11-18 15:00:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-18 15:00:45,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:45,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:45,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-18 15:00:45,071 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:45,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:45,072 INFO L85 PathProgramCache]: Analyzing trace with hash -384451911, now seen corresponding path program 1 times [2024-11-18 15:00:45,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847131724] [2024-11-18 15:00:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:45,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:45,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847131724] [2024-11-18 15:00:45,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847131724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:45,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:45,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:45,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411181711] [2024-11-18 15:00:45,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:45,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:45,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:45,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:45,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:45,209 INFO L87 Difference]: Start difference. First operand 36099 states and 49597 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:45,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:45,487 INFO L93 Difference]: Finished difference Result 99919 states and 137383 transitions. [2024-11-18 15:00:45,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:45,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2024-11-18 15:00:45,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:45,562 INFO L225 Difference]: With dead ends: 99919 [2024-11-18 15:00:45,562 INFO L226 Difference]: Without dead ends: 65813 [2024-11-18 15:00:45,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:45,597 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 152 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:45,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 879 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:45,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65813 states. [2024-11-18 15:00:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65813 to 61091. [2024-11-18 15:00:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61091 states, 61090 states have (on average 1.3629235554100507) internal successors, (83261), 61090 states have internal predecessors, (83261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:46,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61091 states to 61091 states and 83261 transitions. [2024-11-18 15:00:46,174 INFO L78 Accepts]: Start accepts. Automaton has 61091 states and 83261 transitions. Word has length 89 [2024-11-18 15:00:46,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:46,174 INFO L471 AbstractCegarLoop]: Abstraction has 61091 states and 83261 transitions. [2024-11-18 15:00:46,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:46,174 INFO L276 IsEmpty]: Start isEmpty. Operand 61091 states and 83261 transitions. [2024-11-18 15:00:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-18 15:00:46,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:46,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:46,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-18 15:00:46,181 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:46,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2033472567, now seen corresponding path program 1 times [2024-11-18 15:00:46,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905432722] [2024-11-18 15:00:46,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:46,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:46,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:46,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905432722] [2024-11-18 15:00:46,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905432722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:46,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:46,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:46,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421886897] [2024-11-18 15:00:46,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:46,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:46,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:46,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:46,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:46,298 INFO L87 Difference]: Start difference. First operand 61091 states and 83261 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:47,220 INFO L93 Difference]: Finished difference Result 174167 states and 237359 transitions. [2024-11-18 15:00:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2024-11-18 15:00:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:47,376 INFO L225 Difference]: With dead ends: 174167 [2024-11-18 15:00:47,376 INFO L226 Difference]: Without dead ends: 115069 [2024-11-18 15:00:47,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:47,395 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 108 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:47,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 833 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:00:47,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115069 states. [2024-11-18 15:00:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115069 to 107131. [2024-11-18 15:00:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107131 states, 107130 states have (on average 1.3545132082516569) internal successors, (145109), 107130 states have internal predecessors, (145109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107131 states to 107131 states and 145109 transitions. [2024-11-18 15:00:49,250 INFO L78 Accepts]: Start accepts. Automaton has 107131 states and 145109 transitions. Word has length 89 [2024-11-18 15:00:49,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:49,250 INFO L471 AbstractCegarLoop]: Abstraction has 107131 states and 145109 transitions. [2024-11-18 15:00:49,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 107131 states and 145109 transitions. [2024-11-18 15:00:49,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-18 15:00:49,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:49,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:49,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-18 15:00:49,257 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:49,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:49,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1745220661, now seen corresponding path program 1 times [2024-11-18 15:00:49,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:49,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205732768] [2024-11-18 15:00:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:49,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:49,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205732768] [2024-11-18 15:00:49,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205732768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:49,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:49,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:49,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754853465] [2024-11-18 15:00:49,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:49,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:00:49,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:49,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:00:49,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:00:49,675 INFO L87 Difference]: Start difference. First operand 107131 states and 145109 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:50,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:50,024 INFO L93 Difference]: Finished difference Result 115965 states and 156886 transitions. [2024-11-18 15:00:50,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:00:50,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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 91 [2024-11-18 15:00:50,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:50,168 INFO L225 Difference]: With dead ends: 115965 [2024-11-18 15:00:50,168 INFO L226 Difference]: Without dead ends: 115963 [2024-11-18 15:00:50,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:00:50,204 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 0 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:50,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2095 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:00:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115963 states. [2024-11-18 15:00:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115963 to 115963. [2024-11-18 15:00:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115963 states, 115962 states have (on average 1.3275124609785964) internal successors, (153941), 115962 states have internal predecessors, (153941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115963 states to 115963 states and 153941 transitions. [2024-11-18 15:00:51,894 INFO L78 Accepts]: Start accepts. Automaton has 115963 states and 153941 transitions. Word has length 91 [2024-11-18 15:00:51,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:51,895 INFO L471 AbstractCegarLoop]: Abstraction has 115963 states and 153941 transitions. [2024-11-18 15:00:51,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 115963 states and 153941 transitions. [2024-11-18 15:00:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-18 15:00:51,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:51,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:51,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-18 15:00:51,905 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:51,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:51,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1316288567, now seen corresponding path program 1 times [2024-11-18 15:00:51,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:51,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477172602] [2024-11-18 15:00:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:52,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:52,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477172602] [2024-11-18 15:00:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477172602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:52,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:52,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:00:52,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780631964] [2024-11-18 15:00:52,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:52,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:00:52,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:52,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:00:52,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:52,014 INFO L87 Difference]: Start difference. First operand 115963 states and 153941 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:52,857 INFO L93 Difference]: Finished difference Result 289455 states and 383687 transitions. [2024-11-18 15:00:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:00:52,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 92 [2024-11-18 15:00:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:53,572 INFO L225 Difference]: With dead ends: 289455 [2024-11-18 15:00:53,572 INFO L226 Difference]: Without dead ends: 175485 [2024-11-18 15:00:53,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:00:53,602 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 325 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:53,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 576 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:00:53,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175485 states. [2024-11-18 15:00:55,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175485 to 174011. [2024-11-18 15:00:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174011 states, 174010 states have (on average 1.30836733521062) internal successors, (227669), 174010 states have internal predecessors, (227669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174011 states to 174011 states and 227669 transitions. [2024-11-18 15:00:56,093 INFO L78 Accepts]: Start accepts. Automaton has 174011 states and 227669 transitions. Word has length 92 [2024-11-18 15:00:56,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:00:56,094 INFO L471 AbstractCegarLoop]: Abstraction has 174011 states and 227669 transitions. [2024-11-18 15:00:56,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 174011 states and 227669 transitions. [2024-11-18 15:00:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-18 15:00:56,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:00:56,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:00:56,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-18 15:00:56,103 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:00:56,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:00:56,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1895115289, now seen corresponding path program 1 times [2024-11-18 15:00:56,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:00:56,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784300573] [2024-11-18 15:00:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:00:56,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:00:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:00:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:00:56,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:00:56,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784300573] [2024-11-18 15:00:56,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784300573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:00:56,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:00:56,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:00:56,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241049184] [2024-11-18 15:00:56,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:00:56,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:00:56,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:00:56,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:00:56,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:00:56,275 INFO L87 Difference]: Start difference. First operand 174011 states and 227669 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:00:57,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:00:57,672 INFO L93 Difference]: Finished difference Result 278093 states and 365522 transitions. [2024-11-18 15:00:57,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:00:57,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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 93 [2024-11-18 15:00:57,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:00:58,050 INFO L225 Difference]: With dead ends: 278093 [2024-11-18 15:00:58,050 INFO L226 Difference]: Without dead ends: 242307 [2024-11-18 15:00:58,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:00:58,122 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 1579 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:00:58,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 1309 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:00:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242307 states. [2024-11-18 15:01:00,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242307 to 201091. [2024-11-18 15:01:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201091 states, 201090 states have (on average 1.3063852006564225) internal successors, (262701), 201090 states have internal predecessors, (262701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201091 states to 201091 states and 262701 transitions. [2024-11-18 15:01:01,258 INFO L78 Accepts]: Start accepts. Automaton has 201091 states and 262701 transitions. Word has length 93 [2024-11-18 15:01:01,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:01:01,259 INFO L471 AbstractCegarLoop]: Abstraction has 201091 states and 262701 transitions. [2024-11-18 15:01:01,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 201091 states and 262701 transitions. [2024-11-18 15:01:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 15:01:01,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:01:01,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:01:01,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-18 15:01:01,284 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:01:01,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:01:01,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1090055509, now seen corresponding path program 1 times [2024-11-18 15:01:01,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:01:01,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983507179] [2024-11-18 15:01:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:01:01,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:01:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:01:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:01:01,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:01:01,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983507179] [2024-11-18 15:01:01,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983507179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:01:01,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:01:01,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:01:01,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215146104] [2024-11-18 15:01:01,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:01:01,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:01:01,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:01:01,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:01:01,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:01:01,435 INFO L87 Difference]: Start difference. First operand 201091 states and 262701 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:02,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:01:02,672 INFO L93 Difference]: Finished difference Result 398862 states and 521130 transitions. [2024-11-18 15:01:02,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:01:02,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 94 [2024-11-18 15:01:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:01:03,951 INFO L225 Difference]: With dead ends: 398862 [2024-11-18 15:01:03,952 INFO L226 Difference]: Without dead ends: 278429 [2024-11-18 15:01:04,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:01:04,070 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 375 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:01:04,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 567 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:01:04,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278429 states. [2024-11-18 15:01:06,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278429 to 197616. [2024-11-18 15:01:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197616 states, 197615 states have (on average 1.3035650127773701) internal successors, (257604), 197615 states have internal predecessors, (257604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197616 states to 197616 states and 257604 transitions. [2024-11-18 15:01:06,943 INFO L78 Accepts]: Start accepts. Automaton has 197616 states and 257604 transitions. Word has length 94 [2024-11-18 15:01:06,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:01:06,943 INFO L471 AbstractCegarLoop]: Abstraction has 197616 states and 257604 transitions. [2024-11-18 15:01:06,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 197616 states and 257604 transitions. [2024-11-18 15:01:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:01:06,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:01:06,949 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:01:06,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-18 15:01:06,949 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:01:06,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:01:06,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1491463166, now seen corresponding path program 1 times [2024-11-18 15:01:06,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:01:06,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144337967] [2024-11-18 15:01:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:01:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:01:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:01:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:01:07,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:01:07,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144337967] [2024-11-18 15:01:07,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144337967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:01:07,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:01:07,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:01:07,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488711746] [2024-11-18 15:01:07,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:01:07,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:01:07,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:01:07,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:01:07,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:01:07,090 INFO L87 Difference]: Start difference. First operand 197616 states and 257604 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:08,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:01:08,933 INFO L93 Difference]: Finished difference Result 284194 states and 371969 transitions. [2024-11-18 15:01:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:01:08,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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 95 [2024-11-18 15:01:08,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:01:09,359 INFO L225 Difference]: With dead ends: 284194 [2024-11-18 15:01:09,359 INFO L226 Difference]: Without dead ends: 249560 [2024-11-18 15:01:09,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:01:09,441 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1573 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1287 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:01:09,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1287 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:01:09,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249560 states. [2024-11-18 15:01:12,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249560 to 223928. [2024-11-18 15:01:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223928 states, 223927 states have (on average 1.3016920692904383) internal successors, (291484), 223927 states have internal predecessors, (291484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223928 states to 223928 states and 291484 transitions. [2024-11-18 15:01:12,561 INFO L78 Accepts]: Start accepts. Automaton has 223928 states and 291484 transitions. Word has length 95 [2024-11-18 15:01:12,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:01:12,562 INFO L471 AbstractCegarLoop]: Abstraction has 223928 states and 291484 transitions. [2024-11-18 15:01:12,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 223928 states and 291484 transitions. [2024-11-18 15:01:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 15:01:12,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:01:12,593 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:01:12,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-18 15:01:12,593 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-18 15:01:12,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:01:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2126846625, now seen corresponding path program 1 times [2024-11-18 15:01:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:01:12,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015812556] [2024-11-18 15:01:12,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:01:12,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:01:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:01:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:01:14,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:01:14,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015812556] [2024-11-18 15:01:14,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015812556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 15:01:14,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329755119] [2024-11-18 15:01:14,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:01:14,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 15:01:14,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:01:14,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 15:01:14,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 15:01:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:01:14,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-18 15:01:14,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 15:01:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-18 15:01:14,888 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 15:01:14,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329755119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:01:14,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 15:01:14,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-18 15:01:14,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251570942] [2024-11-18 15:01:14,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:01:14,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:01:14,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:01:14,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:01:14,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-18 15:01:14,890 INFO L87 Difference]: Start difference. First operand 223928 states and 291484 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:01:17,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:01:17,163 INFO L93 Difference]: Finished difference Result 485229 states and 631324 transitions.