./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.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 16f1bfcdafcb30da29b0067c09066abcd5ae81f862f6e318335df039804ff932 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:32:10,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:32:10,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:32:10,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:32:10,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:32:10,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:32:10,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:32:10,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:32:10,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:32:10,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:32:10,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:32:10,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:32:10,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:32:10,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:32:10,342 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:32:10,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:32:10,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:32:10,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:32:10,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:32:10,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:32:10,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:32:10,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:32:10,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:32:10,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:32:10,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:32:10,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:32:10,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:32:10,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:32:10,349 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:32:10,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:32:10,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:32:10,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:32:10,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:32:10,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:32:10,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:32:10,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:32:10,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:32:10,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:32:10,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:32:10,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:32:10,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:32:10,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:32:10,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f1bfcdafcb30da29b0067c09066abcd5ae81f862f6e318335df039804ff932 [2024-11-16 08:32:10,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:32:10,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:32:10,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:32:10,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:32:10,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:32:10,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:32:12,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:32:12,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:32:12,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:32:12,254 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda1c0169/0cffff9adb304bb2a0e9eb2d6926782c/FLAG279e80dbb [2024-11-16 08:32:12,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda1c0169/0cffff9adb304bb2a0e9eb2d6926782c [2024-11-16 08:32:12,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:32:12,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:32:12,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:32:12,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:32:12,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:32:12,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:12,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c97018c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12, skipping insertion in model container [2024-11-16 08:32:12,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:12,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:32:12,601 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8112,8125] [2024-11-16 08:32:12,629 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14224,14237] [2024-11-16 08:32:12,637 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16311,16324] [2024-11-16 08:32:12,642 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17335,17348] [2024-11-16 08:32:12,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:32:12,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:32:12,808 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8112,8125] [2024-11-16 08:32:12,831 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14224,14237] [2024-11-16 08:32:12,839 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16311,16324] [2024-11-16 08:32:12,844 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.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17335,17348] [2024-11-16 08:32:12,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:32:12,934 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:32:12,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12 WrapperNode [2024-11-16 08:32:12,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:32:12,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:32:12,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:32:12,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:32:12,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:12,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,052 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2576 [2024-11-16 08:32:13,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:32:13,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:32:13,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:32:13,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:32:13,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,113 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]. [2024-11-16 08:32:13,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:32:13,180 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:32:13,180 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:32:13,180 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:32:13,181 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (1/1) ... [2024-11-16 08:32:13,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:32:13,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:13,212 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) [2024-11-16 08:32:13,214 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 [2024-11-16 08:32:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:32:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:32:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:32:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:32:13,416 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:32:13,418 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:32:14,757 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2017: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:32:14,757 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1489: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-16 08:32:14,757 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:14,757 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L698: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:14,757 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3605: havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1;havoc main_~node3____CPAchecker_TMP_1~10#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2350: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2879: havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1;havoc main_~node3____CPAchecker_TMP_1~7#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3012: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L502: havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~node1__m1~3#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3475: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3211: havoc main_~node2__m2~5#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L965: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:32:14,758 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2749: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4138: havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1563: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2092: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3943: havoc main_~node3__m3~16#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1434: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L311: havoc main_~node3__m3~1#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1963: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1039: havoc main_~node2__m2~3#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3550: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L379: havoc main_~node2__m2~2#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2824: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3221: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-16 08:32:14,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1768: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2695: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2299: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4083: havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1;havoc main_~node3____CPAchecker_TMP_1~12#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3953: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L584: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2500: havoc main_~node3__m3~10#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3425: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L916: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1379: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1908: havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3230: havoc main_~node3__m3~13#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2041: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1778: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:32:14,760 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1250: havoc main_~check__tmp~9#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1186: havoc main_~node3__m3~5#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2640: havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3499: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4028: havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2773: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1056: havoc main_~node3__m3~4#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2510: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2246: havoc main_~node2__m2~4#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L397: havoc main_~node3__m3~2#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3370: havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1;havoc main_~node3____CPAchecker_TMP_1~9#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3899: havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3173: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2024-11-16 08:32:14,761 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3240: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1853: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3704: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2978: havoc main_~node3__m3~12#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: havoc main_~node2__m2~0#1; [2024-11-16 08:32:14,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2585: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L670: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1529: havoc main_~node3__m3~6#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2256: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3315: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1;havoc main_~node3____CPAchecker_TMP_1~11#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3118: havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1;havoc main_~node3____CPAchecker_TMP_1~8#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3977: havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2024-11-16 08:32:14,763 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1137: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3714: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2988: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2460: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L215: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1669: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L612: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1802: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2024-11-16 08:32:14,764 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2265: havoc main_~node3__m3~9#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1539: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2202: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3789: havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2534: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3063: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L355: havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2007: havoc main_~node3__m3~8#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L884: havoc main_~node3__m3~3#1; [2024-11-16 08:32:14,765 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L224: havoc main_~node3__m3~0#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2405: havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3264: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1614: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2275: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3465: havoc main_~node3__m3~14#1; [2024-11-16 08:32:14,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L294: havoc main_~node2__m2~1#1; [2024-11-16 08:32:14,767 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2739: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-16 08:32:14,767 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1220: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:32:14,767 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1088: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:32:14,767 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2147: havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-16 08:32:14,767 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L827: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-16 08:32:14,767 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-16 08:32:14,826 INFO L? ?]: Removed 422 outVars from TransFormulas that were not future-live. [2024-11-16 08:32:14,827 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:32:14,842 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:32:14,843 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:32:14,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:32:14 BoogieIcfgContainer [2024-11-16 08:32:14,843 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:32:14,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:32:14,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:32:14,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:32:14,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:32:12" (1/3) ... [2024-11-16 08:32:14,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb142a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:32:14, skipping insertion in model container [2024-11-16 08:32:14,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:32:12" (2/3) ... [2024-11-16 08:32:14,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb142a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:32:14, skipping insertion in model container [2024-11-16 08:32:14,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:32:14" (3/3) ... [2024-11-16 08:32:14,849 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-16 08:32:14,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:32:14,862 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 08:32:14,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:32:14,917 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;@6329033a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:32:14,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-16 08:32:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 447 states have (on average 1.8366890380313199) internal successors, (821), 451 states have internal predecessors, (821), 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) [2024-11-16 08:32:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-16 08:32:14,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:14,934 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] [2024-11-16 08:32:14,934 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:14,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:14,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1014849654, now seen corresponding path program 1 times [2024-11-16 08:32:14,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:14,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953672827] [2024-11-16 08:32:14,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:14,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:15,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:15,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953672827] [2024-11-16 08:32:15,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953672827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:15,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:15,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:15,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441205298] [2024-11-16 08:32:15,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:15,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:15,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:15,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:15,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:15,315 INFO L87 Difference]: Start difference. First operand has 452 states, 447 states have (on average 1.8366890380313199) internal successors, (821), 451 states have internal predecessors, (821), 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 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-16 08:32:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:15,514 INFO L93 Difference]: Finished difference Result 701 states and 1215 transitions. [2024-11-16 08:32:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:15,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2024-11-16 08:32:15,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:15,526 INFO L225 Difference]: With dead ends: 701 [2024-11-16 08:32:15,527 INFO L226 Difference]: Without dead ends: 566 [2024-11-16 08:32:15,529 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 [2024-11-16 08:32:15,531 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 411 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:15,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1375 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-16 08:32:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 559. [2024-11-16 08:32:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 555 states have (on average 1.3333333333333333) internal successors, (740), 558 states have internal predecessors, (740), 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) [2024-11-16 08:32:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 740 transitions. [2024-11-16 08:32:15,592 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 740 transitions. Word has length 49 [2024-11-16 08:32:15,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:15,593 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 740 transitions. [2024-11-16 08:32:15,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-16 08:32:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 740 transitions. [2024-11-16 08:32:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-16 08:32:15,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:15,597 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] [2024-11-16 08:32:15,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:32:15,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:15,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:15,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1655266870, now seen corresponding path program 1 times [2024-11-16 08:32:15,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:15,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401899046] [2024-11-16 08:32:15,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:15,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:15,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:15,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401899046] [2024-11-16 08:32:15,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401899046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:15,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:15,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:15,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521071163] [2024-11-16 08:32:15,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:15,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:15,766 INFO L87 Difference]: Start difference. First operand 559 states and 740 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-16 08:32:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:15,803 INFO L93 Difference]: Finished difference Result 1007 states and 1386 transitions. [2024-11-16 08:32:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:15,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2024-11-16 08:32:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:15,805 INFO L225 Difference]: With dead ends: 1007 [2024-11-16 08:32:15,805 INFO L226 Difference]: Without dead ends: 746 [2024-11-16 08:32:15,806 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 [2024-11-16 08:32:15,807 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 243 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:15,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1036 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:15,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-16 08:32:15,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 740. [2024-11-16 08:32:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 736 states have (on average 1.3532608695652173) internal successors, (996), 739 states have internal predecessors, (996), 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) [2024-11-16 08:32:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 996 transitions. [2024-11-16 08:32:15,825 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 996 transitions. Word has length 49 [2024-11-16 08:32:15,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:15,825 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 996 transitions. [2024-11-16 08:32:15,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-16 08:32:15,825 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 996 transitions. [2024-11-16 08:32:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-16 08:32:15,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:15,827 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] [2024-11-16 08:32:15,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:32:15,827 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:15,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:15,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1210286556, now seen corresponding path program 1 times [2024-11-16 08:32:15,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:15,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308599936] [2024-11-16 08:32:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:15,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:15,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308599936] [2024-11-16 08:32:15,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308599936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:15,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:15,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:15,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174942150] [2024-11-16 08:32:15,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:15,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:15,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:15,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:15,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:15,929 INFO L87 Difference]: Start difference. First operand 740 states and 996 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-16 08:32:16,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:16,221 INFO L93 Difference]: Finished difference Result 1397 states and 1909 transitions. [2024-11-16 08:32:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:16,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-16 08:32:16,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:16,224 INFO L225 Difference]: With dead ends: 1397 [2024-11-16 08:32:16,225 INFO L226 Difference]: Without dead ends: 861 [2024-11-16 08:32:16,226 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 [2024-11-16 08:32:16,227 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 1730 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:16,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 409 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:16,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-16 08:32:16,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 852. [2024-11-16 08:32:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 848 states have (on average 1.349056603773585) internal successors, (1144), 851 states have internal predecessors, (1144), 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) [2024-11-16 08:32:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1144 transitions. [2024-11-16 08:32:16,262 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1144 transitions. Word has length 49 [2024-11-16 08:32:16,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:16,263 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1144 transitions. [2024-11-16 08:32:16,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-16 08:32:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1144 transitions. [2024-11-16 08:32:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-16 08:32:16,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:16,265 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] [2024-11-16 08:32:16,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:32:16,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:16,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:16,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1166021148, now seen corresponding path program 1 times [2024-11-16 08:32:16,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:16,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679262511] [2024-11-16 08:32:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:16,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:16,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679262511] [2024-11-16 08:32:16,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679262511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:16,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:16,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:16,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403187798] [2024-11-16 08:32:16,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:16,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:16,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:16,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:16,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:16,413 INFO L87 Difference]: Start difference. First operand 852 states and 1144 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-11-16 08:32:16,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:16,659 INFO L93 Difference]: Finished difference Result 1684 states and 2323 transitions. [2024-11-16 08:32:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:16,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2024-11-16 08:32:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:16,662 INFO L225 Difference]: With dead ends: 1684 [2024-11-16 08:32:16,662 INFO L226 Difference]: Without dead ends: 1018 [2024-11-16 08:32:16,663 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 [2024-11-16 08:32:16,664 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 1517 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:16,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 366 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:16,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2024-11-16 08:32:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 776. [2024-11-16 08:32:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 772 states have (on average 1.3588082901554404) internal successors, (1049), 775 states have internal predecessors, (1049), 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) [2024-11-16 08:32:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1049 transitions. [2024-11-16 08:32:16,678 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1049 transitions. Word has length 50 [2024-11-16 08:32:16,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:16,678 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1049 transitions. [2024-11-16 08:32:16,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-11-16 08:32:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1049 transitions. [2024-11-16 08:32:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-16 08:32:16,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:16,680 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] [2024-11-16 08:32:16,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:32:16,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:16,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash -425069945, now seen corresponding path program 1 times [2024-11-16 08:32:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:16,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945221694] [2024-11-16 08:32:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:16,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:16,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945221694] [2024-11-16 08:32:16,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945221694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:16,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:16,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:32:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425854965] [2024-11-16 08:32:16,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:16,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:16,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:16,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:16,793 INFO L87 Difference]: Start difference. First operand 776 states and 1049 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-11-16 08:32:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:17,015 INFO L93 Difference]: Finished difference Result 1885 states and 2611 transitions. [2024-11-16 08:32:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:17,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2024-11-16 08:32:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:17,018 INFO L225 Difference]: With dead ends: 1885 [2024-11-16 08:32:17,019 INFO L226 Difference]: Without dead ends: 1215 [2024-11-16 08:32:17,019 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 [2024-11-16 08:32:17,020 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1403 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:17,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 352 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:17,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-11-16 08:32:17,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1209. [2024-11-16 08:32:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1205 states have (on average 1.3817427385892116) internal successors, (1665), 1208 states have internal predecessors, (1665), 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) [2024-11-16 08:32:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1665 transitions. [2024-11-16 08:32:17,035 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1665 transitions. Word has length 50 [2024-11-16 08:32:17,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:17,036 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1665 transitions. [2024-11-16 08:32:17,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-11-16 08:32:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1665 transitions. [2024-11-16 08:32:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-16 08:32:17,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:17,040 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] [2024-11-16 08:32:17,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:32:17,040 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:17,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:17,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1388047913, now seen corresponding path program 1 times [2024-11-16 08:32:17,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:17,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062665538] [2024-11-16 08:32:17,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:17,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:17,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:17,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062665538] [2024-11-16 08:32:17,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062665538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:17,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:17,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:17,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956832796] [2024-11-16 08:32:17,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:17,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:17,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:17,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:17,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:17,088 INFO L87 Difference]: Start difference. First operand 1209 states and 1665 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-16 08:32:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:17,115 INFO L93 Difference]: Finished difference Result 2479 states and 3461 transitions. [2024-11-16 08:32:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:17,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2024-11-16 08:32:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:17,119 INFO L225 Difference]: With dead ends: 2479 [2024-11-16 08:32:17,119 INFO L226 Difference]: Without dead ends: 1616 [2024-11-16 08:32:17,120 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 [2024-11-16 08:32:17,120 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 236 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 675 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 [2024-11-16 08:32:17,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 675 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2024-11-16 08:32:17,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1604. [2024-11-16 08:32:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1600 states have (on average 1.368125) internal successors, (2189), 1603 states have internal predecessors, (2189), 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) [2024-11-16 08:32:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2189 transitions. [2024-11-16 08:32:17,140 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2189 transitions. Word has length 50 [2024-11-16 08:32:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:17,140 INFO L471 AbstractCegarLoop]: Abstraction has 1604 states and 2189 transitions. [2024-11-16 08:32:17,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-16 08:32:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2189 transitions. [2024-11-16 08:32:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:32:17,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:17,141 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] [2024-11-16 08:32:17,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:32:17,142 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:17,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:17,142 INFO L85 PathProgramCache]: Analyzing trace with hash -266539670, now seen corresponding path program 1 times [2024-11-16 08:32:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:17,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175036373] [2024-11-16 08:32:17,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:17,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:17,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175036373] [2024-11-16 08:32:17,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175036373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:17,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:17,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:17,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405275618] [2024-11-16 08:32:17,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:17,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:17,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:17,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:17,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:17,258 INFO L87 Difference]: Start difference. First operand 1604 states and 2189 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-11-16 08:32:17,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:17,568 INFO L93 Difference]: Finished difference Result 3172 states and 4380 transitions. [2024-11-16 08:32:17,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:17,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2024-11-16 08:32:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:17,574 INFO L225 Difference]: With dead ends: 3172 [2024-11-16 08:32:17,574 INFO L226 Difference]: Without dead ends: 2712 [2024-11-16 08:32:17,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:32:17,576 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1902 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:17,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 636 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:17,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2024-11-16 08:32:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 1616. [2024-11-16 08:32:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1612 states have (on average 1.367866004962779) internal successors, (2205), 1615 states have internal predecessors, (2205), 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) [2024-11-16 08:32:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2205 transitions. [2024-11-16 08:32:17,603 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2205 transitions. Word has length 51 [2024-11-16 08:32:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:17,603 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 2205 transitions. [2024-11-16 08:32:17,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-11-16 08:32:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2205 transitions. [2024-11-16 08:32:17,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:32:17,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:17,604 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] [2024-11-16 08:32:17,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:32:17,605 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:17,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash -509676274, now seen corresponding path program 1 times [2024-11-16 08:32:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14263054] [2024-11-16 08:32:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:17,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:17,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14263054] [2024-11-16 08:32:17,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14263054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:17,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:17,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:17,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867047477] [2024-11-16 08:32:17,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:17,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:17,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:17,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:17,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:17,704 INFO L87 Difference]: Start difference. First operand 1616 states and 2205 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-16 08:32:17,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:17,975 INFO L93 Difference]: Finished difference Result 3189 states and 4401 transitions. [2024-11-16 08:32:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:17,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2024-11-16 08:32:17,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:17,981 INFO L225 Difference]: With dead ends: 3189 [2024-11-16 08:32:17,981 INFO L226 Difference]: Without dead ends: 2422 [2024-11-16 08:32:17,982 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 [2024-11-16 08:32:17,982 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 1641 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:17,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 594 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:17,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2024-11-16 08:32:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 1630. [2024-11-16 08:32:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1626 states have (on average 1.367158671586716) internal successors, (2223), 1629 states have internal predecessors, (2223), 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) [2024-11-16 08:32:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2223 transitions. [2024-11-16 08:32:18,033 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2223 transitions. Word has length 52 [2024-11-16 08:32:18,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:18,033 INFO L471 AbstractCegarLoop]: Abstraction has 1630 states and 2223 transitions. [2024-11-16 08:32:18,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-16 08:32:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2223 transitions. [2024-11-16 08:32:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:32:18,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:18,034 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] [2024-11-16 08:32:18,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:32:18,035 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:18,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash -14206732, now seen corresponding path program 1 times [2024-11-16 08:32:18,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:18,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199592519] [2024-11-16 08:32:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:18,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:18,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199592519] [2024-11-16 08:32:18,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199592519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:18,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:18,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:18,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177110849] [2024-11-16 08:32:18,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:18,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:18,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:18,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:18,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:18,131 INFO L87 Difference]: Start difference. First operand 1630 states and 2223 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-16 08:32:18,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:18,454 INFO L93 Difference]: Finished difference Result 3484 states and 4833 transitions. [2024-11-16 08:32:18,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:18,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2024-11-16 08:32:18,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:18,461 INFO L225 Difference]: With dead ends: 3484 [2024-11-16 08:32:18,461 INFO L226 Difference]: Without dead ends: 2896 [2024-11-16 08:32:18,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:32:18,462 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1769 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:18,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 616 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2896 states. [2024-11-16 08:32:18,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2896 to 1652. [2024-11-16 08:32:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1648 states have (on average 1.3677184466019416) internal successors, (2254), 1651 states have internal predecessors, (2254), 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) [2024-11-16 08:32:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2254 transitions. [2024-11-16 08:32:18,490 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2254 transitions. Word has length 52 [2024-11-16 08:32:18,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:18,490 INFO L471 AbstractCegarLoop]: Abstraction has 1652 states and 2254 transitions. [2024-11-16 08:32:18,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) [2024-11-16 08:32:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2254 transitions. [2024-11-16 08:32:18,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:18,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:18,492 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] [2024-11-16 08:32:18,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:32:18,492 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:18,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:18,492 INFO L85 PathProgramCache]: Analyzing trace with hash -437852760, now seen corresponding path program 1 times [2024-11-16 08:32:18,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:18,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477440786] [2024-11-16 08:32:18,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:18,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:18,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477440786] [2024-11-16 08:32:18,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477440786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:18,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:18,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:32:18,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217592130] [2024-11-16 08:32:18,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:18,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:32:18,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:32:18,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:32:18,709 INFO L87 Difference]: Start difference. First operand 1652 states and 2254 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2024-11-16 08:32:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:19,159 INFO L93 Difference]: Finished difference Result 4005 states and 5576 transitions. [2024-11-16 08:32:19,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:32:19,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 53 [2024-11-16 08:32:19,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:19,166 INFO L225 Difference]: With dead ends: 4005 [2024-11-16 08:32:19,166 INFO L226 Difference]: Without dead ends: 2880 [2024-11-16 08:32:19,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:32:19,168 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1323 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:19,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 1060 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2024-11-16 08:32:19,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 1652. [2024-11-16 08:32:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1648 states have (on average 1.3646844660194175) internal successors, (2249), 1651 states have internal predecessors, (2249), 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) [2024-11-16 08:32:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2249 transitions. [2024-11-16 08:32:19,203 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2249 transitions. Word has length 53 [2024-11-16 08:32:19,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:19,203 INFO L471 AbstractCegarLoop]: Abstraction has 1652 states and 2249 transitions. [2024-11-16 08:32:19,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2024-11-16 08:32:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2249 transitions. [2024-11-16 08:32:19,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:19,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:19,205 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] [2024-11-16 08:32:19,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:32:19,205 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:19,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:19,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2099076958, now seen corresponding path program 1 times [2024-11-16 08:32:19,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:19,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303359271] [2024-11-16 08:32:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:19,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303359271] [2024-11-16 08:32:19,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303359271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:19,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:19,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:19,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524405961] [2024-11-16 08:32:19,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:19,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:19,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:19,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:19,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:19,397 INFO L87 Difference]: Start difference. First operand 1652 states and 2249 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) [2024-11-16 08:32:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:19,861 INFO L93 Difference]: Finished difference Result 3864 states and 5362 transitions. [2024-11-16 08:32:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:32:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 53 [2024-11-16 08:32:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:19,868 INFO L225 Difference]: With dead ends: 3864 [2024-11-16 08:32:19,868 INFO L226 Difference]: Without dead ends: 2873 [2024-11-16 08:32:19,871 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 [2024-11-16 08:32:19,871 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 1976 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:19,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 1088 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:19,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2873 states. [2024-11-16 08:32:19,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 1623. [2024-11-16 08:32:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1619 states have (on average 1.3638048177887585) internal successors, (2208), 1622 states have internal predecessors, (2208), 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) [2024-11-16 08:32:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2208 transitions. [2024-11-16 08:32:19,902 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2208 transitions. Word has length 53 [2024-11-16 08:32:19,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:19,902 INFO L471 AbstractCegarLoop]: Abstraction has 1623 states and 2208 transitions. [2024-11-16 08:32:19,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) [2024-11-16 08:32:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2208 transitions. [2024-11-16 08:32:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:32:19,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:19,904 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] [2024-11-16 08:32:19,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:32:19,904 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:19,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:19,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1078269976, now seen corresponding path program 1 times [2024-11-16 08:32:19,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:19,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398773793] [2024-11-16 08:32:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:20,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:20,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398773793] [2024-11-16 08:32:20,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398773793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:20,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:20,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:20,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230366394] [2024-11-16 08:32:20,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:20,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:20,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:20,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:20,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:20,188 INFO L87 Difference]: Start difference. First operand 1623 states and 2208 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) [2024-11-16 08:32:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:20,668 INFO L93 Difference]: Finished difference Result 2394 states and 3268 transitions. [2024-11-16 08:32:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:32:20,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 53 [2024-11-16 08:32:20,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:20,675 INFO L225 Difference]: With dead ends: 2394 [2024-11-16 08:32:20,675 INFO L226 Difference]: Without dead ends: 2389 [2024-11-16 08:32:20,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:32:20,676 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 1675 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:20,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 1272 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-11-16 08:32:20,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 1623. [2024-11-16 08:32:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1619 states have (on average 1.3625694873378629) internal successors, (2206), 1622 states have internal predecessors, (2206), 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) [2024-11-16 08:32:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2206 transitions. [2024-11-16 08:32:20,699 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2206 transitions. Word has length 53 [2024-11-16 08:32:20,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:20,699 INFO L471 AbstractCegarLoop]: Abstraction has 1623 states and 2206 transitions. [2024-11-16 08:32:20,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) [2024-11-16 08:32:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2206 transitions. [2024-11-16 08:32:20,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:20,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:20,700 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] [2024-11-16 08:32:20,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:32:20,700 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:20,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:20,701 INFO L85 PathProgramCache]: Analyzing trace with hash -281667984, now seen corresponding path program 1 times [2024-11-16 08:32:20,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:20,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503398577] [2024-11-16 08:32:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:20,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:20,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:20,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503398577] [2024-11-16 08:32:20,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503398577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:20,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:20,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:20,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995786895] [2024-11-16 08:32:20,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:20,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:20,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:20,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:20,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:20,744 INFO L87 Difference]: Start difference. First operand 1623 states and 2206 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-16 08:32:20,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:20,766 INFO L93 Difference]: Finished difference Result 2184 states and 2967 transitions. [2024-11-16 08:32:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:20,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2024-11-16 08:32:20,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:20,770 INFO L225 Difference]: With dead ends: 2184 [2024-11-16 08:32:20,770 INFO L226 Difference]: Without dead ends: 1592 [2024-11-16 08:32:20,771 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 [2024-11-16 08:32:20,771 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 266 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:20,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 692 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:20,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2024-11-16 08:32:20,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1590. [2024-11-16 08:32:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1586 states have (on average 1.3348045397225725) internal successors, (2117), 1589 states have internal predecessors, (2117), 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) [2024-11-16 08:32:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2117 transitions. [2024-11-16 08:32:20,786 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2117 transitions. Word has length 54 [2024-11-16 08:32:20,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:20,787 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 2117 transitions. [2024-11-16 08:32:20,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-16 08:32:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2117 transitions. [2024-11-16 08:32:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:20,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:20,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:20,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:32:20,788 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:20,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:20,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1938544245, now seen corresponding path program 1 times [2024-11-16 08:32:20,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446275228] [2024-11-16 08:32:20,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:20,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:20,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:20,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446275228] [2024-11-16 08:32:20,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446275228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:20,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:20,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:20,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438793013] [2024-11-16 08:32:20,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:20,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:20,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:20,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:20,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:20,832 INFO L87 Difference]: Start difference. First operand 1590 states and 2117 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-16 08:32:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:20,878 INFO L93 Difference]: Finished difference Result 2290 states and 3075 transitions. [2024-11-16 08:32:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:20,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2024-11-16 08:32:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:20,881 INFO L225 Difference]: With dead ends: 2290 [2024-11-16 08:32:20,882 INFO L226 Difference]: Without dead ends: 1596 [2024-11-16 08:32:20,882 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 [2024-11-16 08:32:20,883 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 231 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 765 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 [2024-11-16 08:32:20,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 765 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2024-11-16 08:32:20,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1590. [2024-11-16 08:32:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1586 states have (on average 1.3234552332912988) internal successors, (2099), 1589 states have internal predecessors, (2099), 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) [2024-11-16 08:32:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2099 transitions. [2024-11-16 08:32:20,897 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2099 transitions. Word has length 54 [2024-11-16 08:32:20,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:20,897 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 2099 transitions. [2024-11-16 08:32:20,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-16 08:32:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2099 transitions. [2024-11-16 08:32:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:32:20,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:20,898 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] [2024-11-16 08:32:20,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:32:20,899 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:20,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:20,899 INFO L85 PathProgramCache]: Analyzing trace with hash 974065040, now seen corresponding path program 1 times [2024-11-16 08:32:20,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:20,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893401803] [2024-11-16 08:32:20,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:20,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:20,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:20,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893401803] [2024-11-16 08:32:20,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893401803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:20,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:20,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:20,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996841679] [2024-11-16 08:32:20,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:20,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:20,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:20,941 INFO L87 Difference]: Start difference. First operand 1590 states and 2099 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-16 08:32:20,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:20,971 INFO L93 Difference]: Finished difference Result 2253 states and 2997 transitions. [2024-11-16 08:32:20,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:20,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2024-11-16 08:32:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:20,975 INFO L225 Difference]: With dead ends: 2253 [2024-11-16 08:32:20,975 INFO L226 Difference]: Without dead ends: 1597 [2024-11-16 08:32:20,976 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 [2024-11-16 08:32:20,976 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 215 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:20,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 759 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:20,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2024-11-16 08:32:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1590. [2024-11-16 08:32:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1586 states have (on average 1.308953341740227) internal successors, (2076), 1589 states have internal predecessors, (2076), 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) [2024-11-16 08:32:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2076 transitions. [2024-11-16 08:32:20,990 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2076 transitions. Word has length 54 [2024-11-16 08:32:20,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:20,990 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 2076 transitions. [2024-11-16 08:32:20,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-16 08:32:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2076 transitions. [2024-11-16 08:32:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:20,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:20,991 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] [2024-11-16 08:32:20,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:32:20,992 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:20,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1418223792, now seen corresponding path program 1 times [2024-11-16 08:32:20,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:20,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917145574] [2024-11-16 08:32:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:20,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:21,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:21,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917145574] [2024-11-16 08:32:21,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917145574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:21,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:21,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:32:21,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354105439] [2024-11-16 08:32:21,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:21,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:32:21,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:21,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:32:21,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:32:21,430 INFO L87 Difference]: Start difference. First operand 1590 states and 2076 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 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) [2024-11-16 08:32:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:22,325 INFO L93 Difference]: Finished difference Result 3622 states and 4825 transitions. [2024-11-16 08:32:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 08:32:22,325 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 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 56 [2024-11-16 08:32:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:22,330 INFO L225 Difference]: With dead ends: 3622 [2024-11-16 08:32:22,330 INFO L226 Difference]: Without dead ends: 3618 [2024-11-16 08:32:22,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:32:22,331 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 2248 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:22,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 2773 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:32:22,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2024-11-16 08:32:22,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 1586. [2024-11-16 08:32:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1583 states have (on average 1.3089071383449147) internal successors, (2072), 1585 states have internal predecessors, (2072), 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) [2024-11-16 08:32:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2072 transitions. [2024-11-16 08:32:22,354 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2072 transitions. Word has length 56 [2024-11-16 08:32:22,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:22,355 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 2072 transitions. [2024-11-16 08:32:22,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 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) [2024-11-16 08:32:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2072 transitions. [2024-11-16 08:32:22,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:22,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:22,356 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] [2024-11-16 08:32:22,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:32:22,356 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:22,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:22,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2066855211, now seen corresponding path program 1 times [2024-11-16 08:32:22,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:22,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899521047] [2024-11-16 08:32:22,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:22,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:23,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:23,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899521047] [2024-11-16 08:32:23,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899521047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:23,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:23,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-16 08:32:23,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352848311] [2024-11-16 08:32:23,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:23,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-16 08:32:23,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:23,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-16 08:32:23,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:32:23,079 INFO L87 Difference]: Start difference. First operand 1586 states and 2072 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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) [2024-11-16 08:32:24,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:24,597 INFO L93 Difference]: Finished difference Result 3346 states and 4426 transitions. [2024-11-16 08:32:24,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 08:32:24,598 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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 56 [2024-11-16 08:32:24,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:24,602 INFO L225 Difference]: With dead ends: 3346 [2024-11-16 08:32:24,602 INFO L226 Difference]: Without dead ends: 3342 [2024-11-16 08:32:24,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 08:32:24,604 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 2811 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 3535 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:24,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 3535 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 08:32:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2024-11-16 08:32:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 1593. [2024-11-16 08:32:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1590 states have (on average 1.308805031446541) internal successors, (2081), 1592 states have internal predecessors, (2081), 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) [2024-11-16 08:32:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2081 transitions. [2024-11-16 08:32:24,629 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2081 transitions. Word has length 56 [2024-11-16 08:32:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:24,629 INFO L471 AbstractCegarLoop]: Abstraction has 1593 states and 2081 transitions. [2024-11-16 08:32:24,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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) [2024-11-16 08:32:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2081 transitions. [2024-11-16 08:32:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:24,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:24,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:24,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:32:24,631 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:24,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:24,632 INFO L85 PathProgramCache]: Analyzing trace with hash 985313083, now seen corresponding path program 1 times [2024-11-16 08:32:24,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:24,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637718782] [2024-11-16 08:32:24,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:24,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:24,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:24,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637718782] [2024-11-16 08:32:24,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637718782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:24,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:24,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 08:32:24,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717159629] [2024-11-16 08:32:24,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:24,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:32:24,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:24,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:32:24,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:32:24,954 INFO L87 Difference]: Start difference. First operand 1593 states and 2081 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2024-11-16 08:32:25,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:25,341 INFO L93 Difference]: Finished difference Result 2461 states and 3255 transitions. [2024-11-16 08:32:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 08:32:25,341 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 56 [2024-11-16 08:32:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:25,344 INFO L225 Difference]: With dead ends: 2461 [2024-11-16 08:32:25,344 INFO L226 Difference]: Without dead ends: 2211 [2024-11-16 08:32:25,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-11-16 08:32:25,345 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 1833 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:25,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 1439 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2024-11-16 08:32:25,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 1528. [2024-11-16 08:32:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1526 states have (on average 1.3106159895150722) internal successors, (2000), 1527 states have internal predecessors, (2000), 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) [2024-11-16 08:32:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2000 transitions. [2024-11-16 08:32:25,358 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2000 transitions. Word has length 56 [2024-11-16 08:32:25,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:25,359 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 2000 transitions. [2024-11-16 08:32:25,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2024-11-16 08:32:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2000 transitions. [2024-11-16 08:32:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:32:25,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:25,360 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] [2024-11-16 08:32:25,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:32:25,360 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:25,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1272965566, now seen corresponding path program 1 times [2024-11-16 08:32:25,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:25,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7296345] [2024-11-16 08:32:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:25,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:25,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:25,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7296345] [2024-11-16 08:32:25,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7296345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:25,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:25,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:25,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227170987] [2024-11-16 08:32:25,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:25,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:25,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:25,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:25,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:25,411 INFO L87 Difference]: Start difference. First operand 1528 states and 2000 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-16 08:32:25,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:25,484 INFO L93 Difference]: Finished difference Result 2722 states and 3603 transitions. [2024-11-16 08:32:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:25,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2024-11-16 08:32:25,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:25,486 INFO L225 Difference]: With dead ends: 2722 [2024-11-16 08:32:25,486 INFO L226 Difference]: Without dead ends: 1818 [2024-11-16 08:32:25,487 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 [2024-11-16 08:32:25,488 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 247 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:25,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 388 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2024-11-16 08:32:25,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1413. [2024-11-16 08:32:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1412 states have (on average 1.3158640226628895) internal successors, (1858), 1412 states have internal predecessors, (1858), 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) [2024-11-16 08:32:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1858 transitions. [2024-11-16 08:32:25,516 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1858 transitions. Word has length 56 [2024-11-16 08:32:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:25,516 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 1858 transitions. [2024-11-16 08:32:25,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-16 08:32:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1858 transitions. [2024-11-16 08:32:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 08:32:25,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:25,522 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] [2024-11-16 08:32:25,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:32:25,522 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:25,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash 39639265, now seen corresponding path program 1 times [2024-11-16 08:32:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:25,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058392064] [2024-11-16 08:32:25,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:25,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:25,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:25,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058392064] [2024-11-16 08:32:25,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058392064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:25,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:25,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:25,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175036926] [2024-11-16 08:32:25,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:25,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:25,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:25,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:25,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:25,648 INFO L87 Difference]: Start difference. First operand 1413 states and 1858 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 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) [2024-11-16 08:32:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:25,711 INFO L93 Difference]: Finished difference Result 3349 states and 4526 transitions. [2024-11-16 08:32:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:25,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 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 [2024-11-16 08:32:25,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:25,714 INFO L225 Difference]: With dead ends: 3349 [2024-11-16 08:32:25,715 INFO L226 Difference]: Without dead ends: 2558 [2024-11-16 08:32:25,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:25,716 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 1039 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:25,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 656 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2024-11-16 08:32:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2177. [2024-11-16 08:32:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 2176 states have (on average 1.3207720588235294) internal successors, (2874), 2176 states have internal predecessors, (2874), 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) [2024-11-16 08:32:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2874 transitions. [2024-11-16 08:32:25,735 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2874 transitions. Word has length 64 [2024-11-16 08:32:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:25,735 INFO L471 AbstractCegarLoop]: Abstraction has 2177 states and 2874 transitions. [2024-11-16 08:32:25,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 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) [2024-11-16 08:32:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2874 transitions. [2024-11-16 08:32:25,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:32:25,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:25,739 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] [2024-11-16 08:32:25,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:32:25,739 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:25,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:25,740 INFO L85 PathProgramCache]: Analyzing trace with hash 385369121, now seen corresponding path program 1 times [2024-11-16 08:32:25,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:25,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506701699] [2024-11-16 08:32:25,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:25,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:25,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:25,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506701699] [2024-11-16 08:32:25,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506701699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:25,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:25,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:25,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661376452] [2024-11-16 08:32:25,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:25,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:25,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:25,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:25,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:25,820 INFO L87 Difference]: Start difference. First operand 2177 states and 2874 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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) [2024-11-16 08:32:25,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:25,876 INFO L93 Difference]: Finished difference Result 2183 states and 2877 transitions. [2024-11-16 08:32:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:25,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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 [2024-11-16 08:32:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:25,878 INFO L225 Difference]: With dead ends: 2183 [2024-11-16 08:32:25,879 INFO L226 Difference]: Without dead ends: 1948 [2024-11-16 08:32:25,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:25,880 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 611 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:25,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 743 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-11-16 08:32:25,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1944. [2024-11-16 08:32:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1943 states have (on average 1.3232115285640762) internal successors, (2571), 1943 states have internal predecessors, (2571), 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) [2024-11-16 08:32:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2571 transitions. [2024-11-16 08:32:25,896 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2571 transitions. Word has length 66 [2024-11-16 08:32:25,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:25,896 INFO L471 AbstractCegarLoop]: Abstraction has 1944 states and 2571 transitions. [2024-11-16 08:32:25,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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) [2024-11-16 08:32:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2571 transitions. [2024-11-16 08:32:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:32:25,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:25,898 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] [2024-11-16 08:32:25,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:32:25,899 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:25,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:25,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1974019603, now seen corresponding path program 1 times [2024-11-16 08:32:25,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:25,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996018901] [2024-11-16 08:32:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:25,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:25,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996018901] [2024-11-16 08:32:25,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996018901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:25,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:25,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947199228] [2024-11-16 08:32:25,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:25,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:25,996 INFO L87 Difference]: Start difference. First operand 1944 states and 2571 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2024-11-16 08:32:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:26,026 INFO L93 Difference]: Finished difference Result 4384 states and 5897 transitions. [2024-11-16 08:32:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:26,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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 [2024-11-16 08:32:26,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:26,030 INFO L225 Difference]: With dead ends: 4384 [2024-11-16 08:32:26,030 INFO L226 Difference]: Without dead ends: 3108 [2024-11-16 08:32:26,032 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 [2024-11-16 08:32:26,032 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 126 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:26,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 549 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2024-11-16 08:32:26,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2922. [2024-11-16 08:32:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2921 states have (on average 1.330708661417323) internal successors, (3887), 2921 states have internal predecessors, (3887), 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) [2024-11-16 08:32:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3887 transitions. [2024-11-16 08:32:26,089 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3887 transitions. Word has length 67 [2024-11-16 08:32:26,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:26,090 INFO L471 AbstractCegarLoop]: Abstraction has 2922 states and 3887 transitions. [2024-11-16 08:32:26,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2024-11-16 08:32:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3887 transitions. [2024-11-16 08:32:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 08:32:26,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:26,092 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] [2024-11-16 08:32:26,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:32:26,092 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:26,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:26,092 INFO L85 PathProgramCache]: Analyzing trace with hash -399650231, now seen corresponding path program 1 times [2024-11-16 08:32:26,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33583342] [2024-11-16 08:32:26,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:26,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:26,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33583342] [2024-11-16 08:32:26,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33583342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:26,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:26,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492023631] [2024-11-16 08:32:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:26,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:26,193 INFO L87 Difference]: Start difference. First operand 2922 states and 3887 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:26,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:26,231 INFO L93 Difference]: Finished difference Result 7206 states and 9681 transitions. [2024-11-16 08:32:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:26,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-16 08:32:26,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:26,237 INFO L225 Difference]: With dead ends: 7206 [2024-11-16 08:32:26,237 INFO L226 Difference]: Without dead ends: 4952 [2024-11-16 08:32:26,240 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 [2024-11-16 08:32:26,240 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 104 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:26,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 539 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4952 states. [2024-11-16 08:32:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4952 to 4646. [2024-11-16 08:32:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4646 states, 4645 states have (on average 1.3319698600645855) internal successors, (6187), 4645 states have internal predecessors, (6187), 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) [2024-11-16 08:32:26,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4646 states to 4646 states and 6187 transitions. [2024-11-16 08:32:26,281 INFO L78 Accepts]: Start accepts. Automaton has 4646 states and 6187 transitions. Word has length 69 [2024-11-16 08:32:26,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:26,281 INFO L471 AbstractCegarLoop]: Abstraction has 4646 states and 6187 transitions. [2024-11-16 08:32:26,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:32:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4646 states and 6187 transitions. [2024-11-16 08:32:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:32:26,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:26,283 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] [2024-11-16 08:32:26,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:32:26,283 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:26,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:26,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2098711096, now seen corresponding path program 1 times [2024-11-16 08:32:26,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121595615] [2024-11-16 08:32:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:26,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:26,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121595615] [2024-11-16 08:32:26,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121595615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:26,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:26,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:26,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189144962] [2024-11-16 08:32:26,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:26,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:32:26,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:32:26,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:32:26,452 INFO L87 Difference]: Start difference. First operand 4646 states and 6187 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2024-11-16 08:32:26,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:26,479 INFO L93 Difference]: Finished difference Result 5096 states and 6748 transitions. [2024-11-16 08:32:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:32:26,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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 [2024-11-16 08:32:26,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:26,485 INFO L225 Difference]: With dead ends: 5096 [2024-11-16 08:32:26,485 INFO L226 Difference]: Without dead ends: 5094 [2024-11-16 08:32:26,486 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 [2024-11-16 08:32:26,486 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 0 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1370 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 [2024-11-16 08:32:26,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1370 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:26,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5094 states. [2024-11-16 08:32:26,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5094 to 5094. [2024-11-16 08:32:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5094 states, 5093 states have (on average 1.302768505792264) internal successors, (6635), 5093 states have internal predecessors, (6635), 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) [2024-11-16 08:32:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 5094 states and 6635 transitions. [2024-11-16 08:32:26,530 INFO L78 Accepts]: Start accepts. Automaton has 5094 states and 6635 transitions. Word has length 71 [2024-11-16 08:32:26,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:26,530 INFO L471 AbstractCegarLoop]: Abstraction has 5094 states and 6635 transitions. [2024-11-16 08:32:26,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2024-11-16 08:32:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5094 states and 6635 transitions. [2024-11-16 08:32:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:32:26,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:26,532 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, 1, 1, 1, 1, 1] [2024-11-16 08:32:26,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:32:26,533 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:26,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 922187909, now seen corresponding path program 1 times [2024-11-16 08:32:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527251796] [2024-11-16 08:32:26,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:26,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527251796] [2024-11-16 08:32:26,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527251796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:26,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:26,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:26,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878395112] [2024-11-16 08:32:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:26,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:26,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:26,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:26,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:26,600 INFO L87 Difference]: Start difference. First operand 5094 states and 6635 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-16 08:32:26,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:26,648 INFO L93 Difference]: Finished difference Result 12964 states and 16953 transitions. [2024-11-16 08:32:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:26,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-16 08:32:26,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:26,659 INFO L225 Difference]: With dead ends: 12964 [2024-11-16 08:32:26,659 INFO L226 Difference]: Without dead ends: 8374 [2024-11-16 08:32:26,665 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 [2024-11-16 08:32:26,665 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 182 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:26,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 408 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8374 states. [2024-11-16 08:32:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8374 to 8260. [2024-11-16 08:32:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8259 states have (on average 1.2799370383823707) internal successors, (10571), 8259 states have internal predecessors, (10571), 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) [2024-11-16 08:32:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 10571 transitions. [2024-11-16 08:32:26,766 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 10571 transitions. Word has length 72 [2024-11-16 08:32:26,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:26,767 INFO L471 AbstractCegarLoop]: Abstraction has 8260 states and 10571 transitions. [2024-11-16 08:32:26,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-16 08:32:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 10571 transitions. [2024-11-16 08:32:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:32:26,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:26,770 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] [2024-11-16 08:32:26,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:32:26,770 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:26,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1986380455, now seen corresponding path program 1 times [2024-11-16 08:32:26,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:26,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260966757] [2024-11-16 08:32:26,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:26,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:26,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:26,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260966757] [2024-11-16 08:32:26,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260966757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:26,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:26,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:26,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920179319] [2024-11-16 08:32:26,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:26,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:26,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:26,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:26,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:26,858 INFO L87 Difference]: Start difference. First operand 8260 states and 10571 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-16 08:32:26,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:26,931 INFO L93 Difference]: Finished difference Result 12065 states and 15513 transitions. [2024-11-16 08:32:26,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:26,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 72 [2024-11-16 08:32:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:26,942 INFO L225 Difference]: With dead ends: 12065 [2024-11-16 08:32:26,943 INFO L226 Difference]: Without dead ends: 10339 [2024-11-16 08:32:26,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:26,946 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 668 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:26,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 893 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10339 states. [2024-11-16 08:32:27,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10339 to 9412. [2024-11-16 08:32:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9412 states, 9411 states have (on average 1.2772287748379556) internal successors, (12020), 9411 states have internal predecessors, (12020), 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) [2024-11-16 08:32:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9412 states to 9412 states and 12020 transitions. [2024-11-16 08:32:27,034 INFO L78 Accepts]: Start accepts. Automaton has 9412 states and 12020 transitions. Word has length 72 [2024-11-16 08:32:27,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:27,034 INFO L471 AbstractCegarLoop]: Abstraction has 9412 states and 12020 transitions. [2024-11-16 08:32:27,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-16 08:32:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 9412 states and 12020 transitions. [2024-11-16 08:32:27,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:32:27,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:27,037 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] [2024-11-16 08:32:27,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:32:27,037 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:27,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:27,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1547490706, now seen corresponding path program 1 times [2024-11-16 08:32:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:27,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556697137] [2024-11-16 08:32:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:27,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556697137] [2024-11-16 08:32:27,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556697137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:27,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:27,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:27,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749663882] [2024-11-16 08:32:27,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:27,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:27,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:27,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:27,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:27,103 INFO L87 Difference]: Start difference. First operand 9412 states and 12020 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-16 08:32:27,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:27,150 INFO L93 Difference]: Finished difference Result 23318 states and 29766 transitions. [2024-11-16 08:32:27,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:27,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2024-11-16 08:32:27,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:27,165 INFO L225 Difference]: With dead ends: 23318 [2024-11-16 08:32:27,165 INFO L226 Difference]: Without dead ends: 14419 [2024-11-16 08:32:27,173 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 [2024-11-16 08:32:27,174 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 542 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 [2024-11-16 08:32:27,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 542 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14419 states. [2024-11-16 08:32:27,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14419 to 13233. [2024-11-16 08:32:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13233 states, 13232 states have (on average 1.2632255139056832) internal successors, (16715), 13232 states have internal predecessors, (16715), 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) [2024-11-16 08:32:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13233 states to 13233 states and 16715 transitions. [2024-11-16 08:32:27,341 INFO L78 Accepts]: Start accepts. Automaton has 13233 states and 16715 transitions. Word has length 73 [2024-11-16 08:32:27,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:27,341 INFO L471 AbstractCegarLoop]: Abstraction has 13233 states and 16715 transitions. [2024-11-16 08:32:27,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-11-16 08:32:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 13233 states and 16715 transitions. [2024-11-16 08:32:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:32:27,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:27,343 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] [2024-11-16 08:32:27,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:32:27,344 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:27,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:27,344 INFO L85 PathProgramCache]: Analyzing trace with hash -866767904, now seen corresponding path program 1 times [2024-11-16 08:32:27,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:27,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101264276] [2024-11-16 08:32:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:27,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:27,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:27,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101264276] [2024-11-16 08:32:27,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101264276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:27,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:27,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:27,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808428426] [2024-11-16 08:32:27,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:27,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:27,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:27,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:27,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:27,415 INFO L87 Difference]: Start difference. First operand 13233 states and 16715 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-11-16 08:32:27,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:27,487 INFO L93 Difference]: Finished difference Result 17847 states and 22635 transitions. [2024-11-16 08:32:27,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:27,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 76 [2024-11-16 08:32:27,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:27,504 INFO L225 Difference]: With dead ends: 17847 [2024-11-16 08:32:27,504 INFO L226 Difference]: Without dead ends: 15349 [2024-11-16 08:32:27,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:27,509 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 631 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:27,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 764 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:27,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15349 states. [2024-11-16 08:32:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15349 to 14887. [2024-11-16 08:32:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14887 states, 14886 states have (on average 1.260714765551525) internal successors, (18767), 14886 states have internal predecessors, (18767), 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) [2024-11-16 08:32:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14887 states to 14887 states and 18767 transitions. [2024-11-16 08:32:27,637 INFO L78 Accepts]: Start accepts. Automaton has 14887 states and 18767 transitions. Word has length 76 [2024-11-16 08:32:27,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:27,637 INFO L471 AbstractCegarLoop]: Abstraction has 14887 states and 18767 transitions. [2024-11-16 08:32:27,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-11-16 08:32:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 14887 states and 18767 transitions. [2024-11-16 08:32:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 08:32:27,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:27,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:27,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:32:27,642 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:27,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:27,643 INFO L85 PathProgramCache]: Analyzing trace with hash -102759262, now seen corresponding path program 1 times [2024-11-16 08:32:27,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:27,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709843879] [2024-11-16 08:32:27,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:27,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:27,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:27,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709843879] [2024-11-16 08:32:27,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709843879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:32:27,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522997168] [2024-11-16 08:32:27,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:27,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:27,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:27,990 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) [2024-11-16 08:32:27,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 08:32:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:28,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 08:32:28,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:32:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-16 08:32:28,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 08:32:28,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522997168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:28,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 08:32:28,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-16 08:32:28,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836650445] [2024-11-16 08:32:28,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:28,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:28,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:28,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:28,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:32:28,454 INFO L87 Difference]: Start difference. First operand 14887 states and 18767 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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) [2024-11-16 08:32:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:28,892 INFO L93 Difference]: Finished difference Result 40164 states and 50689 transitions. [2024-11-16 08:32:28,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:32:28,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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 93 [2024-11-16 08:32:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:28,938 INFO L225 Difference]: With dead ends: 40164 [2024-11-16 08:32:28,938 INFO L226 Difference]: Without dead ends: 32892 [2024-11-16 08:32:28,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2024-11-16 08:32:28,953 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1046 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:28,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 827 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:28,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32892 states. [2024-11-16 08:32:29,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32892 to 14865. [2024-11-16 08:32:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14865 states, 14864 states have (on average 1.2607642626480087) internal successors, (18740), 14864 states have internal predecessors, (18740), 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) [2024-11-16 08:32:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14865 states to 14865 states and 18740 transitions. [2024-11-16 08:32:29,203 INFO L78 Accepts]: Start accepts. Automaton has 14865 states and 18740 transitions. Word has length 93 [2024-11-16 08:32:29,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:29,203 INFO L471 AbstractCegarLoop]: Abstraction has 14865 states and 18740 transitions. [2024-11-16 08:32:29,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 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) [2024-11-16 08:32:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 14865 states and 18740 transitions. [2024-11-16 08:32:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 08:32:29,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:29,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:29,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 08:32:29,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-16 08:32:29,410 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:29,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:29,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1000158960, now seen corresponding path program 1 times [2024-11-16 08:32:29,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:29,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688845968] [2024-11-16 08:32:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:29,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:29,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:29,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688845968] [2024-11-16 08:32:29,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688845968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:32:29,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077343512] [2024-11-16 08:32:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:29,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:32:29,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 08:32:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:29,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-16 08:32:29,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:32:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:30,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:32:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:32,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077343512] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:32:32,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:32:32,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 29 [2024-11-16 08:32:32,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481406223] [2024-11-16 08:32:32,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:32:32,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-16 08:32:32,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:32,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-16 08:32:32,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2024-11-16 08:32:32,266 INFO L87 Difference]: Start difference. First operand 14865 states and 18740 transitions. Second operand has 30 states, 30 states have (on average 8.033333333333333) internal successors, (241), 29 states have internal predecessors, (241), 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) [2024-11-16 08:32:41,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:41,342 INFO L93 Difference]: Finished difference Result 107731 states and 134677 transitions. [2024-11-16 08:32:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-16 08:32:41,343 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 8.033333333333333) internal successors, (241), 29 states have internal predecessors, (241), 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 [2024-11-16 08:32:41,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:41,462 INFO L225 Difference]: With dead ends: 107731 [2024-11-16 08:32:41,462 INFO L226 Difference]: Without dead ends: 100503 [2024-11-16 08:32:41,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13690 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=6487, Invalid=28295, Unknown=0, NotChecked=0, Total=34782 [2024-11-16 08:32:41,485 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 5487 mSDsluCounter, 4775 mSDsCounter, 0 mSdLazyCounter, 4474 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5487 SdHoareTripleChecker+Valid, 5144 SdHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 4474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:41,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5487 Valid, 5144 Invalid, 4633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 4474 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 08:32:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100503 states. [2024-11-16 08:32:42,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100503 to 30199. [2024-11-16 08:32:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30199 states, 30198 states have (on average 1.2593880389429764) internal successors, (38031), 30198 states have internal predecessors, (38031), 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) [2024-11-16 08:32:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30199 states to 30199 states and 38031 transitions. [2024-11-16 08:32:42,296 INFO L78 Accepts]: Start accepts. Automaton has 30199 states and 38031 transitions. Word has length 94 [2024-11-16 08:32:42,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:42,297 INFO L471 AbstractCegarLoop]: Abstraction has 30199 states and 38031 transitions. [2024-11-16 08:32:42,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.033333333333333) internal successors, (241), 29 states have internal predecessors, (241), 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) [2024-11-16 08:32:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30199 states and 38031 transitions. [2024-11-16 08:32:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 08:32:42,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:42,306 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:42,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 08:32:42,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:42,507 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:42,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -2075078352, now seen corresponding path program 1 times [2024-11-16 08:32:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:42,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750202048] [2024-11-16 08:32:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:42,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750202048] [2024-11-16 08:32:42,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750202048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:42,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:42,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 08:32:42,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711956446] [2024-11-16 08:32:42,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:42,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:32:42,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:42,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:32:42,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:32:42,824 INFO L87 Difference]: Start difference. First operand 30199 states and 38031 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 9 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) [2024-11-16 08:32:43,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:43,513 INFO L93 Difference]: Finished difference Result 78602 states and 98702 transitions. [2024-11-16 08:32:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:32:43,513 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 9 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 [2024-11-16 08:32:43,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:43,591 INFO L225 Difference]: With dead ends: 78602 [2024-11-16 08:32:43,591 INFO L226 Difference]: Without dead ends: 66436 [2024-11-16 08:32:43,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-11-16 08:32:43,619 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1056 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:43,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1242 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:32:43,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66436 states. [2024-11-16 08:32:44,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66436 to 44173. [2024-11-16 08:32:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44173 states, 44172 states have (on average 1.2583537082314589) internal successors, (55584), 44172 states have internal predecessors, (55584), 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) [2024-11-16 08:32:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44173 states to 44173 states and 55584 transitions. [2024-11-16 08:32:44,775 INFO L78 Accepts]: Start accepts. Automaton has 44173 states and 55584 transitions. Word has length 94 [2024-11-16 08:32:44,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:44,776 INFO L471 AbstractCegarLoop]: Abstraction has 44173 states and 55584 transitions. [2024-11-16 08:32:44,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 9 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) [2024-11-16 08:32:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 44173 states and 55584 transitions. [2024-11-16 08:32:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:32:44,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:44,786 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:44,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:32:44,787 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:44,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1992037559, now seen corresponding path program 1 times [2024-11-16 08:32:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:44,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445135027] [2024-11-16 08:32:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:44,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-16 08:32:44,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:44,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445135027] [2024-11-16 08:32:44,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445135027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:44,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:44,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:32:44,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509499380] [2024-11-16 08:32:44,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:44,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:32:44,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:44,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:32:44,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:32:44,965 INFO L87 Difference]: Start difference. First operand 44173 states and 55584 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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) [2024-11-16 08:32:45,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:45,544 INFO L93 Difference]: Finished difference Result 104151 states and 131177 transitions. [2024-11-16 08:32:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:32:45,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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 95 [2024-11-16 08:32:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:45,618 INFO L225 Difference]: With dead ends: 104151 [2024-11-16 08:32:45,618 INFO L226 Difference]: Without dead ends: 77292 [2024-11-16 08:32:45,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:32:45,650 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1417 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:45,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 827 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:45,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77292 states. [2024-11-16 08:32:46,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77292 to 44097. [2024-11-16 08:32:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44097 states, 44096 states have (on average 1.2585041727140784) internal successors, (55495), 44096 states have internal predecessors, (55495), 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) [2024-11-16 08:32:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44097 states to 44097 states and 55495 transitions. [2024-11-16 08:32:46,445 INFO L78 Accepts]: Start accepts. Automaton has 44097 states and 55495 transitions. Word has length 95 [2024-11-16 08:32:46,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:46,445 INFO L471 AbstractCegarLoop]: Abstraction has 44097 states and 55495 transitions. [2024-11-16 08:32:46,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 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) [2024-11-16 08:32:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 44097 states and 55495 transitions. [2024-11-16 08:32:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:32:46,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:46,455 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:46,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:32:46,455 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:46,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:46,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1455265123, now seen corresponding path program 1 times [2024-11-16 08:32:46,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:46,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441577898] [2024-11-16 08:32:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:46,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:46,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:46,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441577898] [2024-11-16 08:32:46,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441577898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:46,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:46,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:46,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298136648] [2024-11-16 08:32:46,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:46,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:46,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:46,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:46,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:46,514 INFO L87 Difference]: Start difference. First operand 44097 states and 55495 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-16 08:32:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:46,681 INFO L93 Difference]: Finished difference Result 87630 states and 110368 transitions. [2024-11-16 08:32:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 [2024-11-16 08:32:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:46,729 INFO L225 Difference]: With dead ends: 87630 [2024-11-16 08:32:46,729 INFO L226 Difference]: Without dead ends: 44099 [2024-11-16 08:32:46,760 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 [2024-11-16 08:32:46,761 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 124 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:46,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 450 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:46,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44099 states. [2024-11-16 08:32:47,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44099 to 42608. [2024-11-16 08:32:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42608 states, 42607 states have (on average 1.2407350904780905) internal successors, (52864), 42607 states have internal predecessors, (52864), 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) [2024-11-16 08:32:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42608 states to 42608 states and 52864 transitions. [2024-11-16 08:32:47,640 INFO L78 Accepts]: Start accepts. Automaton has 42608 states and 52864 transitions. Word has length 95 [2024-11-16 08:32:47,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:47,641 INFO L471 AbstractCegarLoop]: Abstraction has 42608 states and 52864 transitions. [2024-11-16 08:32:47,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-16 08:32:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 42608 states and 52864 transitions. [2024-11-16 08:32:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:32:47,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:47,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:47,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:32:47,658 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:47,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash -27971855, now seen corresponding path program 1 times [2024-11-16 08:32:47,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:47,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269523427] [2024-11-16 08:32:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:47,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:47,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:47,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269523427] [2024-11-16 08:32:47,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269523427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:32:47,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180413861] [2024-11-16 08:32:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:47,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:47,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:47,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:32:47,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 08:32:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:48,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 08:32:48,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:32:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:48,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:32:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:48,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180413861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:32:48,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:32:48,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 7] total 13 [2024-11-16 08:32:48,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828914427] [2024-11-16 08:32:48,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:32:48,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:32:48,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:48,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:32:48,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:32:48,655 INFO L87 Difference]: Start difference. First operand 42608 states and 52864 transitions. Second operand has 13 states, 13 states have (on average 16.923076923076923) internal successors, (220), 13 states have internal predecessors, (220), 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) [2024-11-16 08:32:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:49,819 INFO L93 Difference]: Finished difference Result 216556 states and 269012 transitions. [2024-11-16 08:32:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-16 08:32:49,819 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.923076923076923) internal successors, (220), 13 states have internal predecessors, (220), 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 [2024-11-16 08:32:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:50,025 INFO L225 Difference]: With dead ends: 216556 [2024-11-16 08:32:50,025 INFO L226 Difference]: Without dead ends: 174514 [2024-11-16 08:32:50,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=787, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 08:32:50,058 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 2469 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:50,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 3714 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174514 states. [2024-11-16 08:32:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174514 to 152210. [2024-11-16 08:32:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152210 states, 152209 states have (on average 1.2286264281349986) internal successors, (187008), 152209 states have internal predecessors, (187008), 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) [2024-11-16 08:32:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152210 states to 152210 states and 187008 transitions. [2024-11-16 08:32:52,392 INFO L78 Accepts]: Start accepts. Automaton has 152210 states and 187008 transitions. Word has length 95 [2024-11-16 08:32:52,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:52,392 INFO L471 AbstractCegarLoop]: Abstraction has 152210 states and 187008 transitions. [2024-11-16 08:32:52,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.923076923076923) internal successors, (220), 13 states have internal predecessors, (220), 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) [2024-11-16 08:32:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 152210 states and 187008 transitions. [2024-11-16 08:32:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:32:52,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:52,402 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:52,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 08:32:52,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:52,603 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:52,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:52,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1611844004, now seen corresponding path program 1 times [2024-11-16 08:32:52,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:52,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438781378] [2024-11-16 08:32:52,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:52,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:52,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:52,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438781378] [2024-11-16 08:32:52,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438781378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:52,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:52,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:52,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111487032] [2024-11-16 08:32:52,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:52,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:52,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:52,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:52,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:52,732 INFO L87 Difference]: Start difference. First operand 152210 states and 187008 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-16 08:32:53,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:53,674 INFO L93 Difference]: Finished difference Result 296237 states and 363702 transitions. [2024-11-16 08:32:53,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:32:53,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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 97 [2024-11-16 08:32:53,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:53,856 INFO L225 Difference]: With dead ends: 296237 [2024-11-16 08:32:53,857 INFO L226 Difference]: Without dead ends: 144593 [2024-11-16 08:32:53,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:53,944 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 465 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:53,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 471 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:54,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144593 states. [2024-11-16 08:32:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144593 to 142497. [2024-11-16 08:32:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142497 states, 142496 states have (on average 1.2078233774983158) internal successors, (172110), 142496 states have internal predecessors, (172110), 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) [2024-11-16 08:32:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142497 states to 142497 states and 172110 transitions. [2024-11-16 08:32:56,293 INFO L78 Accepts]: Start accepts. Automaton has 142497 states and 172110 transitions. Word has length 97 [2024-11-16 08:32:56,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:56,293 INFO L471 AbstractCegarLoop]: Abstraction has 142497 states and 172110 transitions. [2024-11-16 08:32:56,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2024-11-16 08:32:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 142497 states and 172110 transitions. [2024-11-16 08:32:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 08:32:56,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:56,303 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:32:56,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 08:32:56,303 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:56,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:56,305 INFO L85 PathProgramCache]: Analyzing trace with hash 432458856, now seen corresponding path program 1 times [2024-11-16 08:32:56,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:56,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036590324] [2024-11-16 08:32:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-16 08:32:56,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:56,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036590324] [2024-11-16 08:32:56,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036590324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:56,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:56,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:56,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829427622] [2024-11-16 08:32:56,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:56,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:56,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:56,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:56,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:56,349 INFO L87 Difference]: Start difference. First operand 142497 states and 172110 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-16 08:32:57,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:57,372 INFO L93 Difference]: Finished difference Result 270001 states and 326359 transitions. [2024-11-16 08:32:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:57,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 99 [2024-11-16 08:32:57,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:57,538 INFO L225 Difference]: With dead ends: 270001 [2024-11-16 08:32:57,539 INFO L226 Difference]: Without dead ends: 128070 [2024-11-16 08:32:57,593 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 [2024-11-16 08:32:57,594 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 193 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:57,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 247 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128070 states. [2024-11-16 08:32:58,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128070 to 125046. [2024-11-16 08:32:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125046 states, 125045 states have (on average 1.190931264744692) internal successors, (148920), 125045 states have internal predecessors, (148920), 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) [2024-11-16 08:32:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125046 states to 125046 states and 148920 transitions. [2024-11-16 08:32:59,160 INFO L78 Accepts]: Start accepts. Automaton has 125046 states and 148920 transitions. Word has length 99 [2024-11-16 08:32:59,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:59,161 INFO L471 AbstractCegarLoop]: Abstraction has 125046 states and 148920 transitions. [2024-11-16 08:32:59,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-16 08:32:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 125046 states and 148920 transitions. [2024-11-16 08:32:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:32:59,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:59,167 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:32:59,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 08:32:59,168 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:32:59,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:59,168 INFO L85 PathProgramCache]: Analyzing trace with hash -196852827, now seen corresponding path program 1 times [2024-11-16 08:32:59,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:59,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101871102] [2024-11-16 08:32:59,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:59,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:59,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:59,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101871102] [2024-11-16 08:32:59,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101871102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:59,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:59,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:59,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577161485] [2024-11-16 08:32:59,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:59,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:59,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:59,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:59,762 INFO L87 Difference]: Start difference. First operand 125046 states and 148920 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-11-16 08:33:00,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:00,080 INFO L93 Difference]: Finished difference Result 178337 states and 214136 transitions. [2024-11-16 08:33:00,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:33:00,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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 101 [2024-11-16 08:33:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:00,240 INFO L225 Difference]: With dead ends: 178337 [2024-11-16 08:33:00,241 INFO L226 Difference]: Without dead ends: 151135 [2024-11-16 08:33:00,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:00,289 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 543 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:00,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 813 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:00,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151135 states. [2024-11-16 08:33:01,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151135 to 144401. [2024-11-16 08:33:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144401 states, 144400 states have (on average 1.1882548476454293) internal successors, (171584), 144400 states have internal predecessors, (171584), 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) [2024-11-16 08:33:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144401 states to 144401 states and 171584 transitions. [2024-11-16 08:33:02,158 INFO L78 Accepts]: Start accepts. Automaton has 144401 states and 171584 transitions. Word has length 101 [2024-11-16 08:33:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:02,159 INFO L471 AbstractCegarLoop]: Abstraction has 144401 states and 171584 transitions. [2024-11-16 08:33:02,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-11-16 08:33:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 144401 states and 171584 transitions. [2024-11-16 08:33:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:33:02,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:02,165 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:33:02,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 08:33:02,165 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:02,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:02,165 INFO L85 PathProgramCache]: Analyzing trace with hash -376391957, now seen corresponding path program 1 times [2024-11-16 08:33:02,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:02,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365923018] [2024-11-16 08:33:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:02,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365923018] [2024-11-16 08:33:02,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365923018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:02,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606032763] [2024-11-16 08:33:02,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:02,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:02,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:02,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:02,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 08:33:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:02,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:33:02,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:02,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606032763] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:02,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:02,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:33:02,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986845244] [2024-11-16 08:33:02,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:02,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:33:02,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:02,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:33:02,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:33:02,803 INFO L87 Difference]: Start difference. First operand 144401 states and 171584 transitions. Second operand has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 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) [2024-11-16 08:33:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:04,199 INFO L93 Difference]: Finished difference Result 259512 states and 308594 transitions. [2024-11-16 08:33:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:33:04,200 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 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 101 [2024-11-16 08:33:04,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:04,401 INFO L225 Difference]: With dead ends: 259512 [2024-11-16 08:33:04,401 INFO L226 Difference]: Without dead ends: 115609 [2024-11-16 08:33:04,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:33:04,507 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1668 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:04,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 1121 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115609 states. [2024-11-16 08:33:05,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115609 to 112651. [2024-11-16 08:33:06,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112651 states, 112650 states have (on average 1.1642698624056813) internal successors, (131155), 112650 states have internal predecessors, (131155), 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) [2024-11-16 08:33:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112651 states to 112651 states and 131155 transitions. [2024-11-16 08:33:06,145 INFO L78 Accepts]: Start accepts. Automaton has 112651 states and 131155 transitions. Word has length 101 [2024-11-16 08:33:06,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:06,146 INFO L471 AbstractCegarLoop]: Abstraction has 112651 states and 131155 transitions. [2024-11-16 08:33:06,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 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) [2024-11-16 08:33:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 112651 states and 131155 transitions. [2024-11-16 08:33:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-16 08:33:06,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:06,152 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:33:06,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 08:33:06,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-16 08:33:06,358 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:06,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:06,358 INFO L85 PathProgramCache]: Analyzing trace with hash 429447211, now seen corresponding path program 1 times [2024-11-16 08:33:06,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:06,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852978523] [2024-11-16 08:33:06,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:06,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-16 08:33:06,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:06,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852978523] [2024-11-16 08:33:06,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852978523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:06,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:06,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:33:06,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005188645] [2024-11-16 08:33:06,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:06,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:33:06,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:06,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:33:06,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:33:06,479 INFO L87 Difference]: Start difference. First operand 112651 states and 131155 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-11-16 08:33:07,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:07,509 INFO L93 Difference]: Finished difference Result 171375 states and 197998 transitions. [2024-11-16 08:33:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:33:07,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 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 105 [2024-11-16 08:33:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:07,751 INFO L225 Difference]: With dead ends: 171375 [2024-11-16 08:33:07,752 INFO L226 Difference]: Without dead ends: 146309 [2024-11-16 08:33:07,814 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 [2024-11-16 08:33:07,814 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1115 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:07,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 501 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:33:07,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146309 states. [2024-11-16 08:33:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146309 to 112690. [2024-11-16 08:33:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112690 states, 112689 states have (on average 1.1642573809333652) internal successors, (131199), 112689 states have internal predecessors, (131199), 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) [2024-11-16 08:33:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112690 states to 112690 states and 131199 transitions. [2024-11-16 08:33:09,175 INFO L78 Accepts]: Start accepts. Automaton has 112690 states and 131199 transitions. Word has length 105 [2024-11-16 08:33:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:09,176 INFO L471 AbstractCegarLoop]: Abstraction has 112690 states and 131199 transitions. [2024-11-16 08:33:09,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-11-16 08:33:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 112690 states and 131199 transitions. [2024-11-16 08:33:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-16 08:33:09,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:09,182 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:33:09,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 08:33:09,182 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:09,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:09,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1507607896, now seen corresponding path program 1 times [2024-11-16 08:33:09,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:09,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646319275] [2024-11-16 08:33:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:09,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:09,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:09,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646319275] [2024-11-16 08:33:09,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646319275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:09,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295019305] [2024-11-16 08:33:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:09,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:09,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:09,493 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:09,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 08:33:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:09,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-16 08:33:09,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:11,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:13,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295019305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:13,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:13,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 16] total 38 [2024-11-16 08:33:13,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519758596] [2024-11-16 08:33:13,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:13,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-16 08:33:13,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:13,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-16 08:33:13,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1308, Unknown=0, NotChecked=0, Total=1482 [2024-11-16 08:33:13,120 INFO L87 Difference]: Start difference. First operand 112690 states and 131199 transitions. Second operand has 39 states, 39 states have (on average 7.384615384615385) internal successors, (288), 38 states have internal predecessors, (288), 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) [2024-11-16 08:33:17,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:17,540 INFO L93 Difference]: Finished difference Result 523501 states and 609636 transitions. [2024-11-16 08:33:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-16 08:33:17,541 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 7.384615384615385) internal successors, (288), 38 states have internal predecessors, (288), 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 106 [2024-11-16 08:33:17,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:18,147 INFO L225 Difference]: With dead ends: 523501 [2024-11-16 08:33:18,147 INFO L226 Difference]: Without dead ends: 428640 [2024-11-16 08:33:18,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2776 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1788, Invalid=7142, Unknown=0, NotChecked=0, Total=8930 [2024-11-16 08:33:18,287 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 7109 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7109 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 3735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:18,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7109 Valid, 5285 Invalid, 3735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 08:33:19,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428640 states. [2024-11-16 08:33:22,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428640 to 113946. [2024-11-16 08:33:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113946 states, 113945 states have (on average 1.1639650708675238) internal successors, (132628), 113945 states have internal predecessors, (132628), 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) [2024-11-16 08:33:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113946 states to 113946 states and 132628 transitions. [2024-11-16 08:33:22,376 INFO L78 Accepts]: Start accepts. Automaton has 113946 states and 132628 transitions. Word has length 106 [2024-11-16 08:33:22,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:22,379 INFO L471 AbstractCegarLoop]: Abstraction has 113946 states and 132628 transitions. [2024-11-16 08:33:22,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.384615384615385) internal successors, (288), 38 states have internal predecessors, (288), 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) [2024-11-16 08:33:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 113946 states and 132628 transitions. [2024-11-16 08:33:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:33:22,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:22,393 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:33:22,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 08:33:22,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-16 08:33:22,594 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:22,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:22,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1235146895, now seen corresponding path program 1 times [2024-11-16 08:33:22,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:22,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869155581] [2024-11-16 08:33:22,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:22,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:22,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:22,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869155581] [2024-11-16 08:33:22,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869155581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:33:22,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419874430] [2024-11-16 08:33:22,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:22,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:22,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:33:22,687 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:33:22,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 08:33:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:22,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:33:22,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:33:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:23,135 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:33:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:23,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419874430] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:33:23,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:33:23,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:33:23,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926457696] [2024-11-16 08:33:23,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:33:23,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:33:23,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:23,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:33:23,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:33:23,267 INFO L87 Difference]: Start difference. First operand 113946 states and 132628 transitions. Second operand has 14 states, 14 states have (on average 20.928571428571427) internal successors, (293), 14 states have internal predecessors, (293), 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) [2024-11-16 08:33:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:25,032 INFO L93 Difference]: Finished difference Result 260808 states and 302682 transitions. [2024-11-16 08:33:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:33:25,033 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.928571428571427) internal successors, (293), 14 states have internal predecessors, (293), 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 107 [2024-11-16 08:33:25,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:25,305 INFO L225 Difference]: With dead ends: 260808 [2024-11-16 08:33:25,306 INFO L226 Difference]: Without dead ends: 148708 [2024-11-16 08:33:25,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:33:25,357 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1330 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:25,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 1102 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:33:25,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148708 states. [2024-11-16 08:33:26,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148708 to 126130. [2024-11-16 08:33:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126130 states, 126129 states have (on average 1.1562765105566524) internal successors, (145840), 126129 states have internal predecessors, (145840), 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) [2024-11-16 08:33:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126130 states to 126130 states and 145840 transitions. [2024-11-16 08:33:27,031 INFO L78 Accepts]: Start accepts. Automaton has 126130 states and 145840 transitions. Word has length 107 [2024-11-16 08:33:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:33:27,031 INFO L471 AbstractCegarLoop]: Abstraction has 126130 states and 145840 transitions. [2024-11-16 08:33:27,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.928571428571427) internal successors, (293), 14 states have internal predecessors, (293), 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) [2024-11-16 08:33:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 126130 states and 145840 transitions. [2024-11-16 08:33:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:33:27,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:33:27,042 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 08:33:27,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 08:33:27,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:33:27,243 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:33:27,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:33:27,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1141386427, now seen corresponding path program 1 times [2024-11-16 08:33:27,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:33:27,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414214395] [2024-11-16 08:33:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:33:27,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:33:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:33:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:33:27,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:33:27,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414214395] [2024-11-16 08:33:27,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414214395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:33:27,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:33:27,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:33:27,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732807833] [2024-11-16 08:33:27,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:33:27,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:33:27,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:33:27,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:33:27,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:33:27,383 INFO L87 Difference]: Start difference. First operand 126130 states and 145840 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 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) [2024-11-16 08:33:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:33:27,671 INFO L93 Difference]: Finished difference Result 150469 states and 173803 transitions. [2024-11-16 08:33:27,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:33:27,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 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) Word has length 108 [2024-11-16 08:33:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:33:27,696 INFO L225 Difference]: With dead ends: 150469 [2024-11-16 08:33:27,696 INFO L226 Difference]: Without dead ends: 25992 [2024-11-16 08:33:27,744 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 [2024-11-16 08:33:27,746 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 129 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:33:27,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 388 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:33:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25992 states.