./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.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.3.1.ufo.BOUNDED-6.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 0ed6e4196d49d75b29a7ddd297e9986c08c6bd65f18221f72f78571f381f483e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:31:20,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:31:20,588 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:31:20,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:31:20,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:31:20,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:31:20,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:31:20,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:31:20,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:31:20,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:31:20,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:31:20,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:31:20,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:31:20,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:31:20,651 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:31:20,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:31:20,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:31:20,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:31:20,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:31:20,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:31:20,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:31:20,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:31:20,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:31:20,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:31:20,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:31:20,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:31:20,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:31:20,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:31:20,657 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:31:20,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:31:20,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:31:20,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:31:20,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:31:20,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:31:20,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:31:20,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:31:20,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:31:20,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:31:20,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:31:20,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:31:20,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:31:20,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:31:20,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed6e4196d49d75b29a7ddd297e9986c08c6bd65f18221f72f78571f381f483e [2024-11-16 08:31:20,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:31:20,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:31:20,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:31:20,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:31:20,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:31:20,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-16 08:31:22,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:31:22,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:31:22,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-16 08:31:22,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673af4a2d/1625c39d9f794f5ba2e9dd85c1fa7cbb/FLAGf36349ec6 [2024-11-16 08:31:22,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673af4a2d/1625c39d9f794f5ba2e9dd85c1fa7cbb [2024-11-16 08:31:22,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:31:22,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:31:22,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:31:22,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:31:22,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:31:22,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:31:22" (1/1) ... [2024-11-16 08:31:22,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdd626e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:22, skipping insertion in model container [2024-11-16 08:31:22,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:31:22" (1/1) ... [2024-11-16 08:31:22,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:31:23,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8637,8650] [2024-11-16 08:31:23,149 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15862,15875] [2024-11-16 08:31:23,169 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18059,18072] [2024-11-16 08:31:23,181 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19083,19096] [2024-11-16 08:31:23,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:31:23,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:31:23,453 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8637,8650] [2024-11-16 08:31:23,477 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15862,15875] [2024-11-16 08:31:23,484 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18059,18072] [2024-11-16 08:31:23,487 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.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[19083,19096] [2024-11-16 08:31:23,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:31:23,603 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:31:23,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23 WrapperNode [2024-11-16 08:31:23,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:31:23,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:31:23,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:31:23,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:31:23,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,746 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2847 [2024-11-16 08:31:23,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:31:23,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:31:23,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:31:23,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:31:23,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,853 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 08:31:23,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:31:23,974 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:31:23,975 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:31:23,975 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:31:23,975 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (1/1) ... [2024-11-16 08:31:23,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:31:23,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:31:24,011 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 08:31:24,014 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 08:31:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:31:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:31:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:31:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:31:24,282 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:31:24,287 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:31:25,954 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-16 08:31:25,954 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828: havoc main_~node1____CPAchecker_TMP_1~1#1; [2024-11-16 08:31:25,954 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: havoc main_~main____CPAchecker_TMP_0~19#1;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 08:31:25,954 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L301: havoc main_~node2__m2~1#1; [2024-11-16 08:31:25,954 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L368: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-16 08:31:25,954 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1624: havoc main_~node3__m3~6#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3474: havoc main_~main____CPAchecker_TMP_0~37#1;havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3145: havoc main_~node3__m3~12#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3938: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4335: havoc main_~main____CPAchecker_TMP_0~51#1;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 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: havoc main_~main____CPAchecker_TMP_0~23#1;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 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3411: havoc main_~node2__m2~5#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3677: havoc main_~node3__m3~14#1; [2024-11-16 08:31:25,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224: havoc main_~main____CPAchecker_TMP_0~18#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2687: havoc main_~main____CPAchecker_TMP_0~25#1;havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1300: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4142: havoc main_~main____CPAchecker_TMP_0~48#1;havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1634: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4277: havoc main_~main____CPAchecker_TMP_0~50#1;havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031: havoc main_~main____CPAchecker_TMP_0~15#1;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 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L908: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L512: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:31:25,956 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2494: havoc main_~main____CPAchecker_TMP_0~22#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2024-11-16 08:31:25,957 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3155: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-16 08:31:25,957 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:31:25,957 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3421: havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-16 08:31:25,957 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1175: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:31:25,957 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:31:25,957 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2894: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-16 08:31:25,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3687: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-16 08:31:25,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L318: havoc main_~node3__m3~1#1; [2024-11-16 08:31:25,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4084: havoc main_~main____CPAchecker_TMP_0~47#1;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 08:31:25,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1838: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2024-11-16 08:31:25,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3359: havoc main_~main____CPAchecker_TMP_0~36#1;havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2024-11-16 08:31:25,958 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2170: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1973: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1116: havoc main_~node2__m2~3#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3891: havoc main_~main____CPAchecker_TMP_0~44#1;havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L390: havoc main_~node2__m2~2#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L655: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3430: havoc main_~node3__m3~13#1; [2024-11-16 08:31:25,959 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4223: havoc main_~main____CPAchecker_TMP_0~49#1;havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2024-11-16 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2440: havoc main_~main____CPAchecker_TMP_0~21#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2024-11-16 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4026: havoc main_~main____CPAchecker_TMP_0~46#1;havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2024-11-16 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780: havoc main_~main____CPAchecker_TMP_0~11#1;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 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2904: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-16 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3301: havoc main_~main____CPAchecker_TMP_0~35#1;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 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2377: havoc main_~node2__m2~4#1; [2024-11-16 08:31:25,960 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L462: havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-16 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc main_~node3__m3~10#1; [2024-11-16 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: havoc main_~main____CPAchecker_TMP_0~43#1;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 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc main_~main____CPAchecker_TMP_0~32#1;havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2024-11-16 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1919: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2024-11-16 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L202: havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-16 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2024-11-16 08:31:25,961 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3440: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1591: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: havoc main_~main____CPAchecker_TMP_0~34#1;havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L800: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3972: havoc main_~main____CPAchecker_TMP_0~45#1;havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1330: havoc main_~check__tmp~9#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2387: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1000: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-16 08:31:25,962 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: havoc main_~main____CPAchecker_TMP_0~42#1;havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1133: havoc main_~node3__m3~4#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3644: havoc main_~main____CPAchecker_TMP_0~40#1;havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2653: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1266: havoc main_~node3__m3~5#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3050: havoc main_~main____CPAchecker_TMP_0~31#1;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 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L540: havoc main_~node1____CPAchecker_TMP_1~0#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L408: havoc main_~node3__m3~2#1; [2024-11-16 08:31:25,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2126: havoc main_~node3__m3~8#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1533: havoc main_~main____CPAchecker_TMP_0~7#1;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 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L212: havoc main_~node2__m2~0#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2857: havoc main_~main____CPAchecker_TMP_0~28#1;havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4179: havoc main_~node3__m3~16#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2396: havoc main_~node3__m3~9#1; [2024-11-16 08:31:25,964 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3189: havoc main_~main____CPAchecker_TMP_0~33#1;havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3586: havoc main_~main____CPAchecker_TMP_0~39#1;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 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L283: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: havoc main_~main____CPAchecker_TMP_0~30#1;havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3721: havoc main_~main____CPAchecker_TMP_0~41#1;havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1475: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2136: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L222: havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-16 08:31:25,965 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: havoc main_~main____CPAchecker_TMP_0~27#1;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 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1875: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-16 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3528: havoc main_~main____CPAchecker_TMP_0~38#1;havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2024-11-16 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4189: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-16 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2406: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-16 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2340: havoc main_~main____CPAchecker_TMP_0~20#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2024-11-16 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1217: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-16 08:31:25,966 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2938: havoc main_~main____CPAchecker_TMP_0~29#1;havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: havoc main_~main____CPAchecker_TMP_0~26#1;havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L627: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231: havoc main_~node3__m3~0#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4393: havoc main_~main____CPAchecker_TMP_0~52#1;havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L958: havoc main_~node3__m3~3#1; [2024-11-16 08:31:25,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2610: havoc main_~main____CPAchecker_TMP_0~24#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2024-11-16 08:31:26,090 INFO L? ?]: Removed 486 outVars from TransFormulas that were not future-live. [2024-11-16 08:31:26,090 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:31:26,123 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:31:26,127 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:31:26,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:31:26 BoogieIcfgContainer [2024-11-16 08:31:26,128 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:31:26,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:31:26,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:31:26,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:31:26,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:31:22" (1/3) ... [2024-11-16 08:31:26,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b957130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:31:26, skipping insertion in model container [2024-11-16 08:31:26,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:31:23" (2/3) ... [2024-11-16 08:31:26,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b957130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:31:26, skipping insertion in model container [2024-11-16 08:31:26,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:31:26" (3/3) ... [2024-11-16 08:31:26,139 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-16 08:31:26,156 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:31:26,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-16 08:31:26,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:31:26,255 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;@3c7dd806, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:31:26,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-16 08:31:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 461 states have (on average 1.8329718004338396) internal successors, (845), 465 states have internal predecessors, (845), 0 states have call successors, (0), 0 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 08:31:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-16 08:31:26,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:26,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:31:26,284 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 08:31:26,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:26,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2053675656, now seen corresponding path program 1 times [2024-11-16 08:31:26,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:26,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051895018] [2024-11-16 08:31:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:26,879 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 08:31:26,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:26,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051895018] [2024-11-16 08:31:26,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051895018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:26,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:26,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:31:26,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317946898] [2024-11-16 08:31:26,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:26,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:26,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:26,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:26,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:26,923 INFO L87 Difference]: Start difference. First operand has 466 states, 461 states have (on average 1.8329718004338396) internal successors, (845), 465 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 08:31:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:27,404 INFO L93 Difference]: Finished difference Result 854 states and 1494 transitions. [2024-11-16 08:31:27,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:27,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 08:31:27,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:27,423 INFO L225 Difference]: With dead ends: 854 [2024-11-16 08:31:27,424 INFO L226 Difference]: Without dead ends: 496 [2024-11-16 08:31:27,428 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 08:31:27,433 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 2328 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:27,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 588 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:31:27,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-16 08:31:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 490. [2024-11-16 08:31:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 486 states have (on average 1.3580246913580247) internal successors, (660), 489 states have internal predecessors, (660), 0 states have call successors, (0), 0 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 08:31:27,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 660 transitions. [2024-11-16 08:31:27,501 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 660 transitions. Word has length 51 [2024-11-16 08:31:27,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:27,501 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 660 transitions. [2024-11-16 08:31:27,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 08:31:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 660 transitions. [2024-11-16 08:31:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:31:27,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:27,522 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] [2024-11-16 08:31:27,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:31:27,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:27,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:27,524 INFO L85 PathProgramCache]: Analyzing trace with hash 611473411, now seen corresponding path program 1 times [2024-11-16 08:31:27,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:27,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668914227] [2024-11-16 08:31:27,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:27,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:27,643 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 08:31:27,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:27,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668914227] [2024-11-16 08:31:27,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668914227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:27,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:27,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:27,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43574120] [2024-11-16 08:31:27,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:27,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:27,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:27,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:27,648 INFO L87 Difference]: Start difference. First operand 490 states and 660 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:31:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:27,720 INFO L93 Difference]: Finished difference Result 951 states and 1325 transitions. [2024-11-16 08:31:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:27,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:31:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:27,724 INFO L225 Difference]: With dead ends: 951 [2024-11-16 08:31:27,724 INFO L226 Difference]: Without dead ends: 717 [2024-11-16 08:31:27,726 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 08:31:27,727 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 270 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:27,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 862 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:31:27,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-16 08:31:27,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 710. [2024-11-16 08:31:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 706 states have (on average 1.3824362606232294) internal successors, (976), 709 states have internal predecessors, (976), 0 states have call successors, (0), 0 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 08:31:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 976 transitions. [2024-11-16 08:31:27,766 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 976 transitions. Word has length 52 [2024-11-16 08:31:27,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:27,767 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 976 transitions. [2024-11-16 08:31:27,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:31:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 976 transitions. [2024-11-16 08:31:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:31:27,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:27,774 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 08:31:27,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:31:27,775 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:27,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash 644221955, now seen corresponding path program 1 times [2024-11-16 08:31:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:27,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601330613] [2024-11-16 08:31:27,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:27,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:31:27,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:27,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601330613] [2024-11-16 08:31:27,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601330613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:27,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:27,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:27,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681642482] [2024-11-16 08:31:27,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:27,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:27,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:27,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:27,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:27,895 INFO L87 Difference]: Start difference. First operand 710 states and 976 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:31:27,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:27,938 INFO L93 Difference]: Finished difference Result 1643 states and 2305 transitions. [2024-11-16 08:31:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:27,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:31:27,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:27,942 INFO L225 Difference]: With dead ends: 1643 [2024-11-16 08:31:27,943 INFO L226 Difference]: Without dead ends: 1149 [2024-11-16 08:31:27,944 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 08:31:27,945 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 367 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 943 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 08:31:27,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 943 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:27,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-11-16 08:31:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1139. [2024-11-16 08:31:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1135 states have (on average 1.3788546255506609) internal successors, (1565), 1138 states have internal predecessors, (1565), 0 states have call successors, (0), 0 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 08:31:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1565 transitions. [2024-11-16 08:31:27,972 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1565 transitions. Word has length 52 [2024-11-16 08:31:27,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:27,973 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1565 transitions. [2024-11-16 08:31:27,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 08:31:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1565 transitions. [2024-11-16 08:31:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-16 08:31:27,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:27,977 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 08:31:27,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:31:27,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:27,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:27,978 INFO L85 PathProgramCache]: Analyzing trace with hash -832950119, now seen corresponding path program 1 times [2024-11-16 08:31:27,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:27,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764718448] [2024-11-16 08:31:27,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:27,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:28,112 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 08:31:28,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:28,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764718448] [2024-11-16 08:31:28,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764718448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:28,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:28,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:31:28,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755850086] [2024-11-16 08:31:28,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:28,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:28,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:28,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:28,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:28,115 INFO L87 Difference]: Start difference. First operand 1139 states and 1565 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 08:31:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:28,483 INFO L93 Difference]: Finished difference Result 2344 states and 3260 transitions. [2024-11-16 08:31:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 08:31:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:28,489 INFO L225 Difference]: With dead ends: 2344 [2024-11-16 08:31:28,489 INFO L226 Difference]: Without dead ends: 1416 [2024-11-16 08:31:28,491 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 08:31:28,494 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1541 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:28,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 368 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:31:28,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-16 08:31:28,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1405. [2024-11-16 08:31:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1401 states have (on average 1.3754461099214847) internal successors, (1927), 1404 states have internal predecessors, (1927), 0 states have call successors, (0), 0 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 08:31:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1927 transitions. [2024-11-16 08:31:28,528 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1927 transitions. Word has length 52 [2024-11-16 08:31:28,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:28,529 INFO L471 AbstractCegarLoop]: Abstraction has 1405 states and 1927 transitions. [2024-11-16 08:31:28,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 08:31:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1927 transitions. [2024-11-16 08:31:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:31:28,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:28,531 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 08:31:28,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:31:28,532 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:28,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:28,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1809465413, now seen corresponding path program 1 times [2024-11-16 08:31:28,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:28,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096861825] [2024-11-16 08:31:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:28,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:28,683 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 08:31:28,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:28,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096861825] [2024-11-16 08:31:28,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096861825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:28,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:28,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:31:28,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632584482] [2024-11-16 08:31:28,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:28,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:28,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:28,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:28,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:28,686 INFO L87 Difference]: Start difference. First operand 1405 states and 1927 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 08:31:28,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:28,997 INFO L93 Difference]: Finished difference Result 3552 states and 4975 transitions. [2024-11-16 08:31:28,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:28,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 08:31:28,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:29,005 INFO L225 Difference]: With dead ends: 3552 [2024-11-16 08:31:29,005 INFO L226 Difference]: Without dead ends: 2301 [2024-11-16 08:31:29,009 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 08:31:29,010 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1490 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:29,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 363 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:31:29,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2024-11-16 08:31:29,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2295. [2024-11-16 08:31:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2291 states have (on average 1.3941510257529464) internal successors, (3194), 2294 states have internal predecessors, (3194), 0 states have call successors, (0), 0 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 08:31:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 3194 transitions. [2024-11-16 08:31:29,062 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 3194 transitions. Word has length 53 [2024-11-16 08:31:29,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:29,062 INFO L471 AbstractCegarLoop]: Abstraction has 2295 states and 3194 transitions. [2024-11-16 08:31:29,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 08:31:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 3194 transitions. [2024-11-16 08:31:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-16 08:31:29,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:29,065 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 08:31:29,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:31:29,065 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:29,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:29,066 INFO L85 PathProgramCache]: Analyzing trace with hash 59561500, now seen corresponding path program 1 times [2024-11-16 08:31:29,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:29,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111751655] [2024-11-16 08:31:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:29,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:29,173 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 08:31:29,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:29,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111751655] [2024-11-16 08:31:29,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111751655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:29,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:29,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:29,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614033334] [2024-11-16 08:31:29,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:29,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:29,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:29,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:29,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:29,176 INFO L87 Difference]: Start difference. First operand 2295 states and 3194 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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 08:31:29,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:29,219 INFO L93 Difference]: Finished difference Result 4797 states and 6751 transitions. [2024-11-16 08:31:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:29,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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 08:31:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:29,228 INFO L225 Difference]: With dead ends: 4797 [2024-11-16 08:31:29,229 INFO L226 Difference]: Without dead ends: 3080 [2024-11-16 08:31:29,231 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 08:31:29,232 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 249 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 722 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 08:31:29,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 722 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2024-11-16 08:31:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3062. [2024-11-16 08:31:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3058 states have (on average 1.3780248528449968) internal successors, (4214), 3061 states have internal predecessors, (4214), 0 states have call successors, (0), 0 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 08:31:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4214 transitions. [2024-11-16 08:31:29,297 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4214 transitions. Word has length 53 [2024-11-16 08:31:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:29,297 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4214 transitions. [2024-11-16 08:31:29,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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 08:31:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4214 transitions. [2024-11-16 08:31:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:31:29,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:29,300 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 08:31:29,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:31:29,300 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:29,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:29,301 INFO L85 PathProgramCache]: Analyzing trace with hash -233220805, now seen corresponding path program 1 times [2024-11-16 08:31:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:29,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989835748] [2024-11-16 08:31:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:29,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:29,470 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 08:31:29,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:29,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989835748] [2024-11-16 08:31:29,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989835748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:29,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:29,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:31:29,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181227577] [2024-11-16 08:31:29,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:29,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:31:29,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:29,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:31:29,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:31:29,472 INFO L87 Difference]: Start difference. First operand 3062 states and 4214 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:29,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:29,917 INFO L93 Difference]: Finished difference Result 6079 states and 8440 transitions. [2024-11-16 08:31:29,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:31:29,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:29,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:29,933 INFO L225 Difference]: With dead ends: 6079 [2024-11-16 08:31:29,933 INFO L226 Difference]: Without dead ends: 4702 [2024-11-16 08:31:29,937 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 08:31:29,938 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1744 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:29,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 596 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:31:29,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2024-11-16 08:31:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 3076. [2024-11-16 08:31:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 3072 states have (on average 1.3776041666666667) internal successors, (4232), 3075 states have internal predecessors, (4232), 0 states have call successors, (0), 0 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 08:31:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4232 transitions. [2024-11-16 08:31:30,048 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4232 transitions. Word has length 54 [2024-11-16 08:31:30,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:30,049 INFO L471 AbstractCegarLoop]: Abstraction has 3076 states and 4232 transitions. [2024-11-16 08:31:30,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4232 transitions. [2024-11-16 08:31:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:31:30,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:30,052 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 08:31:30,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:31:30,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:30,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:30,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1168996807, now seen corresponding path program 1 times [2024-11-16 08:31:30,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:30,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826709094] [2024-11-16 08:31:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:30,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:30,213 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 08:31:30,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:30,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826709094] [2024-11-16 08:31:30,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826709094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:30,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:30,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:31:30,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575661268] [2024-11-16 08:31:30,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:30,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:31:30,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:30,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:31:30,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:31:30,217 INFO L87 Difference]: Start difference. First operand 3076 states and 4232 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:30,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:30,680 INFO L93 Difference]: Finished difference Result 6760 states and 9423 transitions. [2024-11-16 08:31:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:31:30,680 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:30,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:30,696 INFO L225 Difference]: With dead ends: 6760 [2024-11-16 08:31:30,696 INFO L226 Difference]: Without dead ends: 5594 [2024-11-16 08:31:30,700 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 08:31:30,700 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1872 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:30,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 632 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:31:30,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2024-11-16 08:31:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 3098. [2024-11-16 08:31:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 3094 states have (on average 1.3778280542986425) internal successors, (4263), 3097 states have internal predecessors, (4263), 0 states have call successors, (0), 0 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 08:31:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4263 transitions. [2024-11-16 08:31:30,825 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4263 transitions. Word has length 54 [2024-11-16 08:31:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:30,828 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4263 transitions. [2024-11-16 08:31:30,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4263 transitions. [2024-11-16 08:31:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-16 08:31:30,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:30,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:31:30,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:31:30,832 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:30,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1291137859, now seen corresponding path program 1 times [2024-11-16 08:31:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:30,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146063775] [2024-11-16 08:31:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:30,992 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 08:31:30,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:30,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146063775] [2024-11-16 08:31:30,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146063775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:30,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:30,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:31:30,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251237019] [2024-11-16 08:31:30,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:30,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:31:30,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:30,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:31:30,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:31:30,995 INFO L87 Difference]: Start difference. First operand 3098 states and 4263 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:31,447 INFO L93 Difference]: Finished difference Result 7548 states and 10494 transitions. [2024-11-16 08:31:31,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:31:31,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:31,473 INFO L225 Difference]: With dead ends: 7548 [2024-11-16 08:31:31,477 INFO L226 Difference]: Without dead ends: 6550 [2024-11-16 08:31:31,482 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 08:31:31,485 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1999 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:31,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1999 Valid, 647 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:31:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2024-11-16 08:31:31,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 3132. [2024-11-16 08:31:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 3128 states have (on average 1.376918158567775) internal successors, (4307), 3131 states have internal predecessors, (4307), 0 states have call successors, (0), 0 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 08:31:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4307 transitions. [2024-11-16 08:31:31,603 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4307 transitions. Word has length 54 [2024-11-16 08:31:31,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:31,603 INFO L471 AbstractCegarLoop]: Abstraction has 3132 states and 4307 transitions. [2024-11-16 08:31:31,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 08:31:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4307 transitions. [2024-11-16 08:31:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:31:31,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:31,606 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] [2024-11-16 08:31:31,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:31:31,606 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 08:31:31,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:31,607 INFO L85 PathProgramCache]: Analyzing trace with hash -123695429, now seen corresponding path program 1 times [2024-11-16 08:31:31,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:31,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158370833] [2024-11-16 08:31:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:31,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:31,949 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 08:31:31,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:31,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158370833] [2024-11-16 08:31:31,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158370833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:31,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:31,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:31:31,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542088093] [2024-11-16 08:31:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:31,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:31:31,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:31:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:31:31,952 INFO L87 Difference]: Start difference. First operand 3132 states and 4307 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 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 08:31:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:32,514 INFO L93 Difference]: Finished difference Result 6468 states and 9030 transitions. [2024-11-16 08:31:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:31:32,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-16 08:31:32,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:32,526 INFO L225 Difference]: With dead ends: 6468 [2024-11-16 08:31:32,526 INFO L226 Difference]: Without dead ends: 4417 [2024-11-16 08:31:32,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:31:32,531 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1694 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1694 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:32,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1694 Valid, 983 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:31:32,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2024-11-16 08:31:32,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 3045. [2024-11-16 08:31:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 3041 states have (on average 1.3761920420914173) internal successors, (4185), 3044 states have internal predecessors, (4185), 0 states have call successors, (0), 0 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 08:31:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4185 transitions. [2024-11-16 08:31:32,591 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4185 transitions. Word has length 55 [2024-11-16 08:31:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:32,592 INFO L471 AbstractCegarLoop]: Abstraction has 3045 states and 4185 transitions. [2024-11-16 08:31:32,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 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 08:31:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4185 transitions. [2024-11-16 08:31:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:31:32,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:32,595 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] [2024-11-16 08:31:32,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:31:32,595 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 08:31:32,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1208567247, now seen corresponding path program 1 times [2024-11-16 08:31:32,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:32,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362481995] [2024-11-16 08:31:32,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:32,907 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 08:31:32,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:32,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362481995] [2024-11-16 08:31:32,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362481995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:32,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:32,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:31:32,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783334904] [2024-11-16 08:31:32,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:32,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:31:32,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:32,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:31:32,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:31:32,909 INFO L87 Difference]: Start difference. First operand 3045 states and 4185 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 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 08:31:33,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:33,565 INFO L93 Difference]: Finished difference Result 6161 states and 8546 transitions. [2024-11-16 08:31:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:31:33,565 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-16 08:31:33,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:33,572 INFO L225 Difference]: With dead ends: 6161 [2024-11-16 08:31:33,572 INFO L226 Difference]: Without dead ends: 4264 [2024-11-16 08:31:33,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:31:33,576 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 1716 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:33,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 1242 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:31:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2024-11-16 08:31:33,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 3016. [2024-11-16 08:31:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3012 states have (on average 1.3758300132802126) internal successors, (4144), 3015 states have internal predecessors, (4144), 0 states have call successors, (0), 0 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 08:31:33,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 4144 transitions. [2024-11-16 08:31:33,655 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 4144 transitions. Word has length 55 [2024-11-16 08:31:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:33,656 INFO L471 AbstractCegarLoop]: Abstraction has 3016 states and 4144 transitions. [2024-11-16 08:31:33,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 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 08:31:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 4144 transitions. [2024-11-16 08:31:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-16 08:31:33,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:33,659 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] [2024-11-16 08:31:33,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:31:33,659 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 08:31:33,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:33,660 INFO L85 PathProgramCache]: Analyzing trace with hash -90946885, now seen corresponding path program 1 times [2024-11-16 08:31:33,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:33,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687178017] [2024-11-16 08:31:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:33,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:31:33,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:33,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687178017] [2024-11-16 08:31:33,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687178017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:33,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:33,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:31:33,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449420431] [2024-11-16 08:31:33,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:33,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:31:33,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:33,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:31:33,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:31:33,892 INFO L87 Difference]: Start difference. First operand 3016 states and 4144 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 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 08:31:34,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:34,496 INFO L93 Difference]: Finished difference Result 4540 states and 6256 transitions. [2024-11-16 08:31:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:31:34,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-16 08:31:34,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:34,510 INFO L225 Difference]: With dead ends: 4540 [2024-11-16 08:31:34,510 INFO L226 Difference]: Without dead ends: 4535 [2024-11-16 08:31:34,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:31:34,511 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 1514 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:34,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 1098 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:31:34,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2024-11-16 08:31:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 3016. [2024-11-16 08:31:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3012 states have (on average 1.3751660026560426) internal successors, (4142), 3015 states have internal predecessors, (4142), 0 states have call successors, (0), 0 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 08:31:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 4142 transitions. [2024-11-16 08:31:34,566 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 4142 transitions. Word has length 55 [2024-11-16 08:31:34,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:34,566 INFO L471 AbstractCegarLoop]: Abstraction has 3016 states and 4142 transitions. [2024-11-16 08:31:34,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 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 08:31:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 4142 transitions. [2024-11-16 08:31:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:31:34,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:34,569 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 08:31:34,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:31:34,570 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 08:31:34,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:34,570 INFO L85 PathProgramCache]: Analyzing trace with hash -412588965, now seen corresponding path program 1 times [2024-11-16 08:31:34,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:34,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156101220] [2024-11-16 08:31:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:34,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:34,630 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 08:31:34,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156101220] [2024-11-16 08:31:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156101220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:34,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:34,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804870666] [2024-11-16 08:31:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:34,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:34,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:34,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:34,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:34,633 INFO L87 Difference]: Start difference. First operand 3016 states and 4142 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 08:31:34,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:34,661 INFO L93 Difference]: Finished difference Result 4136 states and 5690 transitions. [2024-11-16 08:31:34,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:34,661 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 08:31:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:34,665 INFO L225 Difference]: With dead ends: 4136 [2024-11-16 08:31:34,665 INFO L226 Difference]: Without dead ends: 3007 [2024-11-16 08:31:34,667 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 08:31:34,669 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 264 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 824 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 08:31:34,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 824 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2024-11-16 08:31:34,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3001. [2024-11-16 08:31:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2997 states have (on average 1.348682015348682) internal successors, (4042), 3000 states have internal predecessors, (4042), 0 states have call successors, (0), 0 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 08:31:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4042 transitions. [2024-11-16 08:31:34,716 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4042 transitions. Word has length 56 [2024-11-16 08:31:34,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:34,717 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 4042 transitions. [2024-11-16 08:31:34,717 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 08:31:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4042 transitions. [2024-11-16 08:31:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:31:34,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:34,720 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 08:31:34,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:31:34,720 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 08:31:34,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:34,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1396299466, now seen corresponding path program 1 times [2024-11-16 08:31:34,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:34,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189409167] [2024-11-16 08:31:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:34,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:34,784 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 08:31:34,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189409167] [2024-11-16 08:31:34,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189409167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:34,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:34,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:34,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903356075] [2024-11-16 08:31:34,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:34,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:34,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:34,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:34,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:34,787 INFO L87 Difference]: Start difference. First operand 3001 states and 4042 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 08:31:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:34,817 INFO L93 Difference]: Finished difference Result 4386 states and 5952 transitions. [2024-11-16 08:31:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:34,817 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 08:31:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:34,822 INFO L225 Difference]: With dead ends: 4386 [2024-11-16 08:31:34,822 INFO L226 Difference]: Without dead ends: 3007 [2024-11-16 08:31:34,824 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 08:31:34,824 INFO L432 NwaCegarLoop]: 532 mSDtfsCounter, 245 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 823 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 08:31:34,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 823 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2024-11-16 08:31:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3001. [2024-11-16 08:31:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2997 states have (on average 1.33667000333667) internal successors, (4006), 3000 states have internal predecessors, (4006), 0 states have call successors, (0), 0 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 08:31:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4006 transitions. [2024-11-16 08:31:34,862 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4006 transitions. Word has length 56 [2024-11-16 08:31:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:34,862 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 4006 transitions. [2024-11-16 08:31:34,862 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 08:31:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4006 transitions. [2024-11-16 08:31:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-16 08:31:34,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:34,865 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 08:31:34,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:31:34,865 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 08:31:34,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:34,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1516309819, now seen corresponding path program 1 times [2024-11-16 08:31:34,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:34,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113249448] [2024-11-16 08:31:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:34,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:34,935 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 08:31:34,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:34,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113249448] [2024-11-16 08:31:34,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113249448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:34,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:34,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:34,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771242154] [2024-11-16 08:31:34,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:34,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:34,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:34,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:34,936 INFO L87 Difference]: Start difference. First operand 3001 states and 4006 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 08:31:34,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:34,981 INFO L93 Difference]: Finished difference Result 4309 states and 5794 transitions. [2024-11-16 08:31:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:34,981 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 08:31:34,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:34,986 INFO L225 Difference]: With dead ends: 4309 [2024-11-16 08:31:34,986 INFO L226 Difference]: Without dead ends: 3008 [2024-11-16 08:31:34,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:34,990 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 229 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 818 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 08:31:34,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 818 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:34,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2024-11-16 08:31:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 3001. [2024-11-16 08:31:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2997 states have (on average 1.3233233233233233) internal successors, (3966), 3000 states have internal predecessors, (3966), 0 states have call successors, (0), 0 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 08:31:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3966 transitions. [2024-11-16 08:31:35,046 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3966 transitions. Word has length 56 [2024-11-16 08:31:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:35,046 INFO L471 AbstractCegarLoop]: Abstraction has 3001 states and 3966 transitions. [2024-11-16 08:31:35,047 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 08:31:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3966 transitions. [2024-11-16 08:31:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-16 08:31:35,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:35,049 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] [2024-11-16 08:31:35,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:31:35,050 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 08:31:35,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash 405565213, now seen corresponding path program 1 times [2024-11-16 08:31:35,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:35,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940488515] [2024-11-16 08:31:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:35,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:35,101 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 08:31:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:35,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940488515] [2024-11-16 08:31:35,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940488515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:35,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:35,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807641750] [2024-11-16 08:31:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:35,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:35,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:35,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:35,105 INFO L87 Difference]: Start difference. First operand 3001 states and 3966 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 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 08:31:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:35,173 INFO L93 Difference]: Finished difference Result 4741 states and 6310 transitions. [2024-11-16 08:31:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:35,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2024-11-16 08:31:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:35,179 INFO L225 Difference]: With dead ends: 4741 [2024-11-16 08:31:35,179 INFO L226 Difference]: Without dead ends: 3451 [2024-11-16 08:31:35,181 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 08:31:35,182 INFO L432 NwaCegarLoop]: 387 mSDtfsCounter, 329 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:35,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 545 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:31:35,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2024-11-16 08:31:35,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 2819. [2024-11-16 08:31:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2815 states have (on average 1.325044404973357) internal successors, (3730), 2818 states have internal predecessors, (3730), 0 states have call successors, (0), 0 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 08:31:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 3730 transitions. [2024-11-16 08:31:35,218 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 3730 transitions. Word has length 57 [2024-11-16 08:31:35,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:35,219 INFO L471 AbstractCegarLoop]: Abstraction has 2819 states and 3730 transitions. [2024-11-16 08:31:35,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 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 08:31:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3730 transitions. [2024-11-16 08:31:35,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:31:35,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:35,222 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] [2024-11-16 08:31:35,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:31:35,222 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:35,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:35,222 INFO L85 PathProgramCache]: Analyzing trace with hash 157213531, now seen corresponding path program 1 times [2024-11-16 08:31:35,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:35,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704523087] [2024-11-16 08:31:35,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:35,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:35,880 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 08:31:35,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704523087] [2024-11-16 08:31:35,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704523087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:35,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:35,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:31:35,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083632655] [2024-11-16 08:31:35,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:35,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:31:35,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:35,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:31:35,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:31:35,883 INFO L87 Difference]: Start difference. First operand 2819 states and 3730 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:36,930 INFO L93 Difference]: Finished difference Result 6797 states and 9137 transitions. [2024-11-16 08:31:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 08:31:36,931 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-16 08:31:36,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:36,941 INFO L225 Difference]: With dead ends: 6797 [2024-11-16 08:31:36,942 INFO L226 Difference]: Without dead ends: 6793 [2024-11-16 08:31:36,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:31:36,945 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 2800 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:36,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 2672 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:31:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2024-11-16 08:31:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 2815. [2024-11-16 08:31:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2812 states have (on average 1.3246799431009957) internal successors, (3725), 2814 states have internal predecessors, (3725), 0 states have call successors, (0), 0 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 08:31:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3725 transitions. [2024-11-16 08:31:37,022 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3725 transitions. Word has length 58 [2024-11-16 08:31:37,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:37,022 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3725 transitions. [2024-11-16 08:31:37,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3725 transitions. [2024-11-16 08:31:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:31:37,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:37,026 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] [2024-11-16 08:31:37,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:31:37,026 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:37,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash -821921322, now seen corresponding path program 1 times [2024-11-16 08:31:37,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:37,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106803316] [2024-11-16 08:31:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:38,027 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 08:31:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:38,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106803316] [2024-11-16 08:31:38,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106803316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:38,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:38,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-16 08:31:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275087187] [2024-11-16 08:31:38,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:38,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-16 08:31:38,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-16 08:31:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:31:38,029 INFO L87 Difference]: Start difference. First operand 2815 states and 3725 transitions. Second operand has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:39,747 INFO L93 Difference]: Finished difference Result 4289 states and 5691 transitions. [2024-11-16 08:31:39,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 08:31:39,747 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-16 08:31:39,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:39,754 INFO L225 Difference]: With dead ends: 4289 [2024-11-16 08:31:39,754 INFO L226 Difference]: Without dead ends: 4285 [2024-11-16 08:31:39,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=231, Invalid=891, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 08:31:39,756 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 2338 mSDsluCounter, 3645 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 3993 SdHoareTripleChecker+Invalid, 2036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:39,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 3993 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 08:31:39,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4285 states. [2024-11-16 08:31:39,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 2822. [2024-11-16 08:31:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2819 states have (on average 1.3245831855267824) internal successors, (3734), 2821 states have internal predecessors, (3734), 0 states have call successors, (0), 0 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 08:31:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 3734 transitions. [2024-11-16 08:31:39,807 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 3734 transitions. Word has length 58 [2024-11-16 08:31:39,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:39,807 INFO L471 AbstractCegarLoop]: Abstraction has 2822 states and 3734 transitions. [2024-11-16 08:31:39,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3734 transitions. [2024-11-16 08:31:39,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:31:39,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:39,810 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] [2024-11-16 08:31:39,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:31:39,810 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 08:31:39,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2127461307, now seen corresponding path program 1 times [2024-11-16 08:31:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:39,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750339041] [2024-11-16 08:31:39,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:39,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:40,251 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 08:31:40,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:40,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750339041] [2024-11-16 08:31:40,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750339041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:40,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:40,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:31:40,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842826101] [2024-11-16 08:31:40,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:40,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:31:40,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:40,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:31:40,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:31:40,254 INFO L87 Difference]: Start difference. First operand 2822 states and 3734 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:40,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:40,926 INFO L93 Difference]: Finished difference Result 5091 states and 6793 transitions. [2024-11-16 08:31:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:31:40,926 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-16 08:31:40,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:40,933 INFO L225 Difference]: With dead ends: 5091 [2024-11-16 08:31:40,933 INFO L226 Difference]: Without dead ends: 4692 [2024-11-16 08:31:40,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-16 08:31:40,936 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 2578 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:40,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 1689 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:31:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4692 states. [2024-11-16 08:31:40,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4692 to 2757. [2024-11-16 08:31:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2757 states, 2755 states have (on average 1.3259528130671507) internal successors, (3653), 2756 states have internal predecessors, (3653), 0 states have call successors, (0), 0 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 08:31:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3653 transitions. [2024-11-16 08:31:40,975 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3653 transitions. Word has length 58 [2024-11-16 08:31:40,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:40,976 INFO L471 AbstractCegarLoop]: Abstraction has 2757 states and 3653 transitions. [2024-11-16 08:31:40,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3653 transitions. [2024-11-16 08:31:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-16 08:31:40,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:40,978 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] [2024-11-16 08:31:40,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:31:40,979 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-16 08:31:40,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1035633840, now seen corresponding path program 1 times [2024-11-16 08:31:40,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:40,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588012317] [2024-11-16 08:31:40,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:41,035 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 08:31:41,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:41,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588012317] [2024-11-16 08:31:41,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588012317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:41,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:41,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:41,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366783523] [2024-11-16 08:31:41,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:41,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:41,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:41,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:41,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:41,037 INFO L87 Difference]: Start difference. First operand 2757 states and 3653 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:41,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:41,104 INFO L93 Difference]: Finished difference Result 5111 states and 6819 transitions. [2024-11-16 08:31:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:41,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-16 08:31:41,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:41,110 INFO L225 Difference]: With dead ends: 5111 [2024-11-16 08:31:41,110 INFO L226 Difference]: Without dead ends: 3394 [2024-11-16 08:31:41,112 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 08:31:41,113 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 263 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 420 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 08:31:41,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 420 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:31:41,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2024-11-16 08:31:41,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 2616. [2024-11-16 08:31:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2616 states, 2615 states have (on average 1.3281070745697896) internal successors, (3473), 2615 states have internal predecessors, (3473), 0 states have call successors, (0), 0 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 08:31:41,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3473 transitions. [2024-11-16 08:31:41,149 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3473 transitions. Word has length 58 [2024-11-16 08:31:41,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:41,149 INFO L471 AbstractCegarLoop]: Abstraction has 2616 states and 3473 transitions. [2024-11-16 08:31:41,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 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 08:31:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3473 transitions. [2024-11-16 08:31:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:31:41,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:41,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:31:41,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:31:41,154 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 08:31:41,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:41,154 INFO L85 PathProgramCache]: Analyzing trace with hash 225394917, now seen corresponding path program 1 times [2024-11-16 08:31:41,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:41,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418093212] [2024-11-16 08:31:41,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:41,278 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 08:31:41,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:41,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418093212] [2024-11-16 08:31:41,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418093212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:41,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:41,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:31:41,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040109776] [2024-11-16 08:31:41,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:41,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:41,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:41,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:41,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:41,282 INFO L87 Difference]: Start difference. First operand 2616 states and 3473 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:31:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:41,365 INFO L93 Difference]: Finished difference Result 6453 states and 8760 transitions. [2024-11-16 08:31:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:41,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-16 08:31:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:41,375 INFO L225 Difference]: With dead ends: 6453 [2024-11-16 08:31:41,375 INFO L226 Difference]: Without dead ends: 4864 [2024-11-16 08:31:41,378 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 08:31:41,379 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 1070 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:41,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 741 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:31:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4864 states. [2024-11-16 08:31:41,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4864 to 4119. [2024-11-16 08:31:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4119 states, 4118 states have (on average 1.3278290432248665) internal successors, (5468), 4118 states have internal predecessors, (5468), 0 states have call successors, (0), 0 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 08:31:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 4119 states and 5468 transitions. [2024-11-16 08:31:41,433 INFO L78 Accepts]: Start accepts. Automaton has 4119 states and 5468 transitions. Word has length 68 [2024-11-16 08:31:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:41,433 INFO L471 AbstractCegarLoop]: Abstraction has 4119 states and 5468 transitions. [2024-11-16 08:31:41,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:31:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 5468 transitions. [2024-11-16 08:31:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:31:41,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:41,441 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] [2024-11-16 08:31:41,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:31:41,442 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 08:31:41,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:41,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1492063835, now seen corresponding path program 1 times [2024-11-16 08:31:41,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:41,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205603271] [2024-11-16 08:31:41,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:41,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:41,573 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 08:31:41,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:41,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205603271] [2024-11-16 08:31:41,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205603271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:41,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:41,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:31:41,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003764182] [2024-11-16 08:31:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:41,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:41,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:41,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:41,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:41,576 INFO L87 Difference]: Start difference. First operand 4119 states and 5468 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 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 08:31:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:41,679 INFO L93 Difference]: Finished difference Result 4125 states and 5471 transitions. [2024-11-16 08:31:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:41,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-16 08:31:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:41,688 INFO L225 Difference]: With dead ends: 4125 [2024-11-16 08:31:41,688 INFO L226 Difference]: Without dead ends: 3646 [2024-11-16 08:31:41,689 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 08:31:41,690 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 650 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:41,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 937 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:31:41,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2024-11-16 08:31:41,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3642. [2024-11-16 08:31:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3642 states, 3641 states have (on average 1.3309530348805274) internal successors, (4846), 3641 states have internal predecessors, (4846), 0 states have call successors, (0), 0 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 08:31:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3642 states and 4846 transitions. [2024-11-16 08:31:41,751 INFO L78 Accepts]: Start accepts. Automaton has 3642 states and 4846 transitions. Word has length 70 [2024-11-16 08:31:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:41,751 INFO L471 AbstractCegarLoop]: Abstraction has 3642 states and 4846 transitions. [2024-11-16 08:31:41,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 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 08:31:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 4846 transitions. [2024-11-16 08:31:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:31:41,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:41,758 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 08:31:41,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:31:41,758 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 08:31:41,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:41,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1210048675, now seen corresponding path program 1 times [2024-11-16 08:31:41,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:41,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480095520] [2024-11-16 08:31:41,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:41,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:41,895 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 08:31:41,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:41,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480095520] [2024-11-16 08:31:41,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480095520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:41,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:41,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:41,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587238882] [2024-11-16 08:31:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:41,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:41,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:41,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:41,898 INFO L87 Difference]: Start difference. First operand 3642 states and 4846 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:31:41,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:41,940 INFO L93 Difference]: Finished difference Result 8502 states and 11440 transitions. [2024-11-16 08:31:41,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:41,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-16 08:31:41,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:41,951 INFO L225 Difference]: With dead ends: 8502 [2024-11-16 08:31:41,951 INFO L226 Difference]: Without dead ends: 5700 [2024-11-16 08:31:41,955 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 08:31:41,956 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 139 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 586 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 08:31:41,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 586 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2024-11-16 08:31:42,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5382. [2024-11-16 08:31:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5382 states, 5381 states have (on average 1.3228024530756366) internal successors, (7118), 5381 states have internal predecessors, (7118), 0 states have call successors, (0), 0 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 08:31:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 7118 transitions. [2024-11-16 08:31:42,022 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 7118 transitions. Word has length 71 [2024-11-16 08:31:42,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:42,022 INFO L471 AbstractCegarLoop]: Abstraction has 5382 states and 7118 transitions. [2024-11-16 08:31:42,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:31:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 7118 transitions. [2024-11-16 08:31:42,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:31:42,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:42,026 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 08:31:42,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:31:42,027 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 08:31:42,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:42,027 INFO L85 PathProgramCache]: Analyzing trace with hash 283290584, now seen corresponding path program 1 times [2024-11-16 08:31:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:42,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793170099] [2024-11-16 08:31:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:42,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:42,121 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 08:31:42,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:42,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793170099] [2024-11-16 08:31:42,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793170099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:42,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:42,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:42,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053128409] [2024-11-16 08:31:42,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:42,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:42,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:42,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:42,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:42,124 INFO L87 Difference]: Start difference. First operand 5382 states and 7118 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 08:31:42,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:42,177 INFO L93 Difference]: Finished difference Result 13942 states and 18660 transitions. [2024-11-16 08:31:42,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:42,178 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 08:31:42,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:42,189 INFO L225 Difference]: With dead ends: 13942 [2024-11-16 08:31:42,189 INFO L226 Difference]: Without dead ends: 9438 [2024-11-16 08:31:42,197 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 08:31:42,198 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 127 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 574 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 08:31:42,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 574 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:42,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9438 states. [2024-11-16 08:31:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9438 to 8700. [2024-11-16 08:31:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8700 states, 8699 states have (on average 1.3224508564202782) internal successors, (11504), 8699 states have internal predecessors, (11504), 0 states have call successors, (0), 0 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 08:31:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8700 states to 8700 states and 11504 transitions. [2024-11-16 08:31:42,296 INFO L78 Accepts]: Start accepts. Automaton has 8700 states and 11504 transitions. Word has length 72 [2024-11-16 08:31:42,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:42,297 INFO L471 AbstractCegarLoop]: Abstraction has 8700 states and 11504 transitions. [2024-11-16 08:31:42,297 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 08:31:42,297 INFO L276 IsEmpty]: Start isEmpty. Operand 8700 states and 11504 transitions. [2024-11-16 08:31:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-16 08:31:42,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:42,301 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] [2024-11-16 08:31:42,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:31:42,301 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 08:31:42,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2037736710, now seen corresponding path program 1 times [2024-11-16 08:31:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:42,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755572411] [2024-11-16 08:31:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:42,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:42,444 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 08:31:42,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:42,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755572411] [2024-11-16 08:31:42,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755572411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:42,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:42,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:42,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220198380] [2024-11-16 08:31:42,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:42,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:42,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:42,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:42,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:42,446 INFO L87 Difference]: Start difference. First operand 8700 states and 11504 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 08:31:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:42,521 INFO L93 Difference]: Finished difference Result 23448 states and 31162 transitions. [2024-11-16 08:31:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:42,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-16 08:31:42,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:42,542 INFO L225 Difference]: With dead ends: 23448 [2024-11-16 08:31:42,542 INFO L226 Difference]: Without dead ends: 15626 [2024-11-16 08:31:42,555 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 08:31:42,556 INFO L432 NwaCegarLoop]: 341 mSDtfsCounter, 105 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 564 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 08:31:42,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 564 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:42,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15626 states. [2024-11-16 08:31:42,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15626 to 14408. [2024-11-16 08:31:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14408 states, 14407 states have (on average 1.3151940029152496) internal successors, (18948), 14407 states have internal predecessors, (18948), 0 states have call successors, (0), 0 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 08:31:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 18948 transitions. [2024-11-16 08:31:42,725 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 18948 transitions. Word has length 74 [2024-11-16 08:31:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:42,725 INFO L471 AbstractCegarLoop]: Abstraction has 14408 states and 18948 transitions. [2024-11-16 08:31:42,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 08:31:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 18948 transitions. [2024-11-16 08:31:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-16 08:31:42,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:42,729 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 08:31:42,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:31:42,730 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 08:31:42,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1837320390, now seen corresponding path program 1 times [2024-11-16 08:31:42,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:42,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210520069] [2024-11-16 08:31:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:42,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:43,006 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 08:31:43,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:43,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210520069] [2024-11-16 08:31:43,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210520069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:43,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:43,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:31:43,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954016322] [2024-11-16 08:31:43,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:43,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:31:43,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:43,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:31:43,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:31:43,008 INFO L87 Difference]: Start difference. First operand 14408 states and 18948 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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 08:31:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:43,082 INFO L93 Difference]: Finished difference Result 16202 states and 21189 transitions. [2024-11-16 08:31:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:31:43,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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 08:31:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:43,104 INFO L225 Difference]: With dead ends: 16202 [2024-11-16 08:31:43,104 INFO L226 Difference]: Without dead ends: 16200 [2024-11-16 08:31:43,111 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 08:31:43,111 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 0 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:43,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1388 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16200 states. [2024-11-16 08:31:43,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16200 to 16200. [2024-11-16 08:31:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16200 states, 16199 states have (on average 1.2803259460460523) internal successors, (20740), 16199 states have internal predecessors, (20740), 0 states have call successors, (0), 0 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 08:31:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16200 states to 16200 states and 20740 transitions. [2024-11-16 08:31:43,290 INFO L78 Accepts]: Start accepts. Automaton has 16200 states and 20740 transitions. Word has length 76 [2024-11-16 08:31:43,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:43,291 INFO L471 AbstractCegarLoop]: Abstraction has 16200 states and 20740 transitions. [2024-11-16 08:31:43,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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 08:31:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 16200 states and 20740 transitions. [2024-11-16 08:31:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:31:43,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:43,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:31:43,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:31:43,295 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 08:31:43,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:43,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1409010987, now seen corresponding path program 1 times [2024-11-16 08:31:43,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:43,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297927705] [2024-11-16 08:31:43,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:43,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:31:43,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:43,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297927705] [2024-11-16 08:31:43,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297927705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:43,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:31:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89668472] [2024-11-16 08:31:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:43,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:31:43,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:43,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:31:43,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:31:43,351 INFO L87 Difference]: Start difference. First operand 16200 states and 20740 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 08:31:43,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:43,460 INFO L93 Difference]: Finished difference Result 38948 states and 49886 transitions. [2024-11-16 08:31:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:31:43,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-16 08:31:43,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:43,492 INFO L225 Difference]: With dead ends: 38948 [2024-11-16 08:31:43,493 INFO L226 Difference]: Without dead ends: 23626 [2024-11-16 08:31:43,513 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 08:31:43,514 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 200 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:43,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 440 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:43,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23626 states. [2024-11-16 08:31:43,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23626 to 23624. [2024-11-16 08:31:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23624 states, 23623 states have (on average 1.2674088811751258) internal successors, (29940), 23623 states have internal predecessors, (29940), 0 states have call successors, (0), 0 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 08:31:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23624 states to 23624 states and 29940 transitions. [2024-11-16 08:31:43,821 INFO L78 Accepts]: Start accepts. Automaton has 23624 states and 29940 transitions. Word has length 77 [2024-11-16 08:31:43,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:43,821 INFO L471 AbstractCegarLoop]: Abstraction has 23624 states and 29940 transitions. [2024-11-16 08:31:43,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 08:31:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 23624 states and 29940 transitions. [2024-11-16 08:31:43,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 08:31:43,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:43,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:31:43,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:31:43,825 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 08:31:43,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:43,826 INFO L85 PathProgramCache]: Analyzing trace with hash -703654945, now seen corresponding path program 1 times [2024-11-16 08:31:43,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:43,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078087015] [2024-11-16 08:31:43,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:43,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:43,925 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 08:31:43,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:43,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078087015] [2024-11-16 08:31:43,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078087015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:43,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:43,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:31:43,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366433008] [2024-11-16 08:31:43,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:43,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:43,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:43,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:43,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:43,928 INFO L87 Difference]: Start difference. First operand 23624 states and 29940 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 08:31:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:44,063 INFO L93 Difference]: Finished difference Result 35004 states and 44567 transitions. [2024-11-16 08:31:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:44,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-16 08:31:44,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:44,103 INFO L225 Difference]: With dead ends: 35004 [2024-11-16 08:31:44,103 INFO L226 Difference]: Without dead ends: 29734 [2024-11-16 08:31:44,119 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 08:31:44,120 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 683 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 838 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 08:31:44,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 838 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:31:44,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29734 states. [2024-11-16 08:31:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29734 to 27076. [2024-11-16 08:31:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27076 states, 27075 states have (on average 1.2643028624192059) internal successors, (34231), 27075 states have internal predecessors, (34231), 0 states have call successors, (0), 0 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 08:31:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27076 states to 27076 states and 34231 transitions. [2024-11-16 08:31:44,967 INFO L78 Accepts]: Start accepts. Automaton has 27076 states and 34231 transitions. Word has length 77 [2024-11-16 08:31:44,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:44,967 INFO L471 AbstractCegarLoop]: Abstraction has 27076 states and 34231 transitions. [2024-11-16 08:31:44,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 08:31:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 27076 states and 34231 transitions. [2024-11-16 08:31:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-16 08:31:44,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:44,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:31:44,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:31:44,971 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 08:31:44,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:44,972 INFO L85 PathProgramCache]: Analyzing trace with hash 680268499, now seen corresponding path program 1 times [2024-11-16 08:31:44,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:44,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112677033] [2024-11-16 08:31:44,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:44,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:45,087 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 08:31:45,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:45,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112677033] [2024-11-16 08:31:45,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112677033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:45,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:45,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:31:45,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673778218] [2024-11-16 08:31:45,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:45,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:31:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:45,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:31:45,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:31:45,090 INFO L87 Difference]: Start difference. First operand 27076 states and 34231 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 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 08:31:45,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:45,243 INFO L93 Difference]: Finished difference Result 36560 states and 46395 transitions. [2024-11-16 08:31:45,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:31:45,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-16 08:31:45,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:45,286 INFO L225 Difference]: With dead ends: 36560 [2024-11-16 08:31:45,286 INFO L226 Difference]: Without dead ends: 31386 [2024-11-16 08:31:45,309 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 08:31:45,310 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 687 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:45,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 841 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:31:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31386 states. [2024-11-16 08:31:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31386 to 30460. [2024-11-16 08:31:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30460 states, 30459 states have (on average 1.2615975573722054) internal successors, (38427), 30459 states have internal predecessors, (38427), 0 states have call successors, (0), 0 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 08:31:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30460 states to 30460 states and 38427 transitions. [2024-11-16 08:31:46,009 INFO L78 Accepts]: Start accepts. Automaton has 30460 states and 38427 transitions. Word has length 79 [2024-11-16 08:31:46,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:46,009 INFO L471 AbstractCegarLoop]: Abstraction has 30460 states and 38427 transitions. [2024-11-16 08:31:46,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 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 08:31:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30460 states and 38427 transitions. [2024-11-16 08:31:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:31:46,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:46,022 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, 1, 1] [2024-11-16 08:31:46,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:31:46,022 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 08:31:46,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:46,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2064113657, now seen corresponding path program 1 times [2024-11-16 08:31:46,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:46,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791735211] [2024-11-16 08:31:46,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:46,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:46,377 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 08:31:46,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:46,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791735211] [2024-11-16 08:31:46,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791735211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:46,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:46,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:31:46,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78264132] [2024-11-16 08:31:46,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:46,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:31:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:46,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:31:46,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:31:46,380 INFO L87 Difference]: Start difference. First operand 30460 states and 38427 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 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 08:31:47,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:47,168 INFO L93 Difference]: Finished difference Result 78458 states and 98848 transitions. [2024-11-16 08:31:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 08:31:47,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 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 08:31:47,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:47,259 INFO L225 Difference]: With dead ends: 78458 [2024-11-16 08:31:47,260 INFO L226 Difference]: Without dead ends: 58224 [2024-11-16 08:31:47,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-16 08:31:47,293 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1279 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:47,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 943 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:31:47,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58224 states. [2024-11-16 08:31:47,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58224 to 30328. [2024-11-16 08:31:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30328 states, 30327 states have (on average 1.2618129059913608) internal successors, (38267), 30327 states have internal predecessors, (38267), 0 states have call successors, (0), 0 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 08:31:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30328 states to 30328 states and 38267 transitions. [2024-11-16 08:31:47,870 INFO L78 Accepts]: Start accepts. Automaton has 30328 states and 38267 transitions. Word has length 97 [2024-11-16 08:31:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:47,870 INFO L471 AbstractCegarLoop]: Abstraction has 30328 states and 38267 transitions. [2024-11-16 08:31:47,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 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 08:31:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 30328 states and 38267 transitions. [2024-11-16 08:31:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:31:47,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:47,877 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, 1, 1] [2024-11-16 08:31:47,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:31:47,877 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 08:31:47,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash 849858224, now seen corresponding path program 1 times [2024-11-16 08:31:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:47,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98393356] [2024-11-16 08:31:47,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:47,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:48,359 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 08:31:48,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:48,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98393356] [2024-11-16 08:31:48,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98393356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:31:48,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:31:48,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:31:48,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829630404] [2024-11-16 08:31:48,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:31:48,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:31:48,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:48,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:31:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:31:48,362 INFO L87 Difference]: Start difference. First operand 30328 states and 38267 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 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 08:31:48,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:31:48,934 INFO L93 Difference]: Finished difference Result 62753 states and 78905 transitions. [2024-11-16 08:31:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:31:48,935 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 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 08:31:48,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:31:49,109 INFO L225 Difference]: With dead ends: 62753 [2024-11-16 08:31:49,109 INFO L226 Difference]: Without dead ends: 47704 [2024-11-16 08:31:49,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:31:49,126 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1256 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:31:49,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 1066 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:31:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47704 states. [2024-11-16 08:31:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47704 to 30274. [2024-11-16 08:31:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30274 states, 30273 states have (on average 1.2618504938393948) internal successors, (38200), 30273 states have internal predecessors, (38200), 0 states have call successors, (0), 0 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 08:31:49,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30274 states to 30274 states and 38200 transitions. [2024-11-16 08:31:49,588 INFO L78 Accepts]: Start accepts. Automaton has 30274 states and 38200 transitions. Word has length 97 [2024-11-16 08:31:49,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:31:49,588 INFO L471 AbstractCegarLoop]: Abstraction has 30274 states and 38200 transitions. [2024-11-16 08:31:49,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 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 08:31:49,588 INFO L276 IsEmpty]: Start isEmpty. Operand 30274 states and 38200 transitions. [2024-11-16 08:31:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:31:49,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:31:49,596 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, 1, 1, 1] [2024-11-16 08:31:49,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:31:49,596 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 08:31:49,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:31:49,597 INFO L85 PathProgramCache]: Analyzing trace with hash 370157698, now seen corresponding path program 1 times [2024-11-16 08:31:49,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:31:49,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651375425] [2024-11-16 08:31:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:49,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:31:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:49,969 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 08:31:49,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:31:49,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651375425] [2024-11-16 08:31:49,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651375425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:31:49,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146760244] [2024-11-16 08:31:49,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:31:49,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:31:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:31:49,972 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 08:31:49,974 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 08:31:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:31:50,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-16 08:31:50,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:31:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:31:51,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:31:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:31:52,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146760244] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:31:52,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:31:52,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12, 12] total 27 [2024-11-16 08:31:52,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639171377] [2024-11-16 08:31:52,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:31:52,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-16 08:31:52,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:31:52,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-16 08:31:52,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2024-11-16 08:31:52,538 INFO L87 Difference]: Start difference. First operand 30274 states and 38200 transitions. Second operand has 27 states, 27 states have (on average 10.148148148148149) internal successors, (274), 27 states have internal predecessors, (274), 0 states have call successors, (0), 0 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 08:32:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:09,903 INFO L93 Difference]: Finished difference Result 237976 states and 299145 transitions. [2024-11-16 08:32:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-11-16 08:32:09,903 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 10.148148148148149) internal successors, (274), 27 states have internal predecessors, (274), 0 states have call successors, (0), 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 98 [2024-11-16 08:32:09,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:10,156 INFO L225 Difference]: With dead ends: 237976 [2024-11-16 08:32:10,157 INFO L226 Difference]: Without dead ends: 208414 [2024-11-16 08:32:10,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 300 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39632 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=9803, Invalid=81099, Unknown=0, NotChecked=0, Total=90902 [2024-11-16 08:32:10,216 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 10607 mSDsluCounter, 8861 mSDsCounter, 0 mSdLazyCounter, 9162 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10607 SdHoareTripleChecker+Valid, 9496 SdHoareTripleChecker+Invalid, 9371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 9162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:10,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10607 Valid, 9496 Invalid, 9371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [209 Valid, 9162 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-16 08:32:10,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208414 states. [2024-11-16 08:32:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208414 to 43802. [2024-11-16 08:32:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43802 states, 43801 states have (on average 1.2625967443665669) internal successors, (55303), 43801 states have internal predecessors, (55303), 0 states have call successors, (0), 0 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 08:32:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43802 states to 43802 states and 55303 transitions. [2024-11-16 08:32:11,693 INFO L78 Accepts]: Start accepts. Automaton has 43802 states and 55303 transitions. Word has length 98 [2024-11-16 08:32:11,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:11,693 INFO L471 AbstractCegarLoop]: Abstraction has 43802 states and 55303 transitions. [2024-11-16 08:32:11,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.148148148148149) internal successors, (274), 27 states have internal predecessors, (274), 0 states have call successors, (0), 0 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 08:32:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 43802 states and 55303 transitions. [2024-11-16 08:32:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 08:32:11,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:11,701 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] [2024-11-16 08:32:11,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 08:32:11,902 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,SelfDestructingSolverStorable31 [2024-11-16 08:32:11,902 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 08:32:11,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1253979138, now seen corresponding path program 1 times [2024-11-16 08:32:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:11,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851028831] [2024-11-16 08:32:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:12,012 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 08:32:12,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:12,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851028831] [2024-11-16 08:32:12,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851028831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:12,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:12,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:12,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967309802] [2024-11-16 08:32:12,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:12,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:12,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:12,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:12,015 INFO L87 Difference]: Start difference. First operand 43802 states and 55303 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 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 08:32:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:12,524 INFO L93 Difference]: Finished difference Result 87451 states and 110274 transitions. [2024-11-16 08:32:12,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:32:12,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 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 100 [2024-11-16 08:32:12,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:12,573 INFO L225 Difference]: With dead ends: 87451 [2024-11-16 08:32:12,573 INFO L226 Difference]: Without dead ends: 44408 [2024-11-16 08:32:12,589 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 08:32:12,590 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 524 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:12,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 490 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44408 states. [2024-11-16 08:32:13,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44408 to 41910. [2024-11-16 08:32:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41910 states, 41909 states have (on average 1.241046076021857) internal successors, (52011), 41909 states have internal predecessors, (52011), 0 states have call successors, (0), 0 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 08:32:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41910 states to 41910 states and 52011 transitions. [2024-11-16 08:32:13,152 INFO L78 Accepts]: Start accepts. Automaton has 41910 states and 52011 transitions. Word has length 100 [2024-11-16 08:32:13,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:13,152 INFO L471 AbstractCegarLoop]: Abstraction has 41910 states and 52011 transitions. [2024-11-16 08:32:13,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 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 08:32:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 41910 states and 52011 transitions. [2024-11-16 08:32:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 08:32:13,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:13,163 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] [2024-11-16 08:32:13,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:32:13,163 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 08:32:13,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:13,164 INFO L85 PathProgramCache]: Analyzing trace with hash 941161803, now seen corresponding path program 1 times [2024-11-16 08:32:13,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:13,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160093619] [2024-11-16 08:32:13,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:13,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:13,321 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 08:32:13,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:13,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160093619] [2024-11-16 08:32:13,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160093619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:13,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:13,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 08:32:13,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552490488] [2024-11-16 08:32:13,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:13,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:32:13,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:13,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:32:13,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:32:13,323 INFO L87 Difference]: Start difference. First operand 41910 states and 52011 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 08:32:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:13,549 INFO L93 Difference]: Finished difference Result 55176 states and 68825 transitions. [2024-11-16 08:32:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:32:13,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-11-16 08:32:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:13,612 INFO L225 Difference]: With dead ends: 55176 [2024-11-16 08:32:13,613 INFO L226 Difference]: Without dead ends: 47446 [2024-11-16 08:32:13,634 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 08:32:13,635 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 610 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:13,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 902 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:32:13,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47446 states. [2024-11-16 08:32:14,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47446 to 46404. [2024-11-16 08:32:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46404 states, 46403 states have (on average 1.2374846453893067) internal successors, (57423), 46403 states have internal predecessors, (57423), 0 states have call successors, (0), 0 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 08:32:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46404 states to 46404 states and 57423 transitions. [2024-11-16 08:32:14,296 INFO L78 Accepts]: Start accepts. Automaton has 46404 states and 57423 transitions. Word has length 104 [2024-11-16 08:32:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:14,297 INFO L471 AbstractCegarLoop]: Abstraction has 46404 states and 57423 transitions. [2024-11-16 08:32:14,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 08:32:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 46404 states and 57423 transitions. [2024-11-16 08:32:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 08:32:14,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:14,304 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] [2024-11-16 08:32:14,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 08:32:14,305 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 08:32:14,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:14,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2104109314, now seen corresponding path program 1 times [2024-11-16 08:32:14,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:14,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918902897] [2024-11-16 08:32:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:14,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:14,400 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 08:32:14,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:14,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918902897] [2024-11-16 08:32:14,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918902897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:32:14,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121173124] [2024-11-16 08:32:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:14,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:14,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:14,403 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 08:32:14,404 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 08:32:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:14,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 08:32:14,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:32:15,112 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 08:32:15,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:32:15,251 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 08:32:15,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121173124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:32:15,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:32:15,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 08:32:15,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382541754] [2024-11-16 08:32:15,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:32:15,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 08:32:15,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:15,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 08:32:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-16 08:32:15,253 INFO L87 Difference]: Start difference. First operand 46404 states and 57423 transitions. Second operand has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 states have internal predecessors, (280), 0 states have call successors, (0), 0 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 08:32:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:15,774 INFO L93 Difference]: Finished difference Result 103638 states and 128620 transitions. [2024-11-16 08:32:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:32:15,774 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 states have internal predecessors, (280), 0 states have call successors, (0), 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 104 [2024-11-16 08:32:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:15,834 INFO L225 Difference]: With dead ends: 103638 [2024-11-16 08:32:15,834 INFO L226 Difference]: Without dead ends: 57920 [2024-11-16 08:32:15,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 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 08:32:15,867 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 2019 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:15,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 1121 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:32:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57920 states. [2024-11-16 08:32:16,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57920 to 49166. [2024-11-16 08:32:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49166 states, 49165 states have (on average 1.2181836672429573) internal successors, (59892), 49165 states have internal predecessors, (59892), 0 states have call successors, (0), 0 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 08:32:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49166 states to 49166 states and 59892 transitions. [2024-11-16 08:32:16,479 INFO L78 Accepts]: Start accepts. Automaton has 49166 states and 59892 transitions. Word has length 104 [2024-11-16 08:32:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:16,480 INFO L471 AbstractCegarLoop]: Abstraction has 49166 states and 59892 transitions. [2024-11-16 08:32:16,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.0) internal successors, (280), 14 states have internal predecessors, (280), 0 states have call successors, (0), 0 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 08:32:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 49166 states and 59892 transitions. [2024-11-16 08:32:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:32:16,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:16,488 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 08:32:16,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 08:32:16,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-16 08:32:16,689 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 08:32:16,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1476487223, now seen corresponding path program 1 times [2024-11-16 08:32:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:16,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023579423] [2024-11-16 08:32:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:16,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:17,319 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 08:32:17,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:17,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023579423] [2024-11-16 08:32:17,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023579423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:32:17,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997172502] [2024-11-16 08:32:17,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:32:17,322 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 08:32:17,324 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 08:32:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:17,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-16 08:32:17,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:32:18,969 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 08:32:18,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:32:19,615 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 08:32:19,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997172502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:32:19,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:32:19,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 30 [2024-11-16 08:32:19,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363605902] [2024-11-16 08:32:19,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:32:19,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-16 08:32:19,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:19,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-16 08:32:19,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2024-11-16 08:32:19,617 INFO L87 Difference]: Start difference. First operand 49166 states and 59892 transitions. Second operand has 30 states, 30 states have (on average 9.166666666666666) internal successors, (275), 30 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 08:32:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:22,613 INFO L93 Difference]: Finished difference Result 234378 states and 285884 transitions. [2024-11-16 08:32:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-16 08:32:22,614 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.166666666666666) internal successors, (275), 30 states have internal predecessors, (275), 0 states have call successors, (0), 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 08:32:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:22,821 INFO L225 Difference]: With dead ends: 234378 [2024-11-16 08:32:22,821 INFO L226 Difference]: Without dead ends: 185586 [2024-11-16 08:32:22,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1127, Invalid=3985, Unknown=0, NotChecked=0, Total=5112 [2024-11-16 08:32:22,840 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 2815 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 2658 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 2727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 2658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:22,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 3388 Invalid, 2727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 2658 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 08:32:22,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185586 states. [2024-11-16 08:32:24,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185586 to 97132. [2024-11-16 08:32:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97132 states, 97131 states have (on average 1.2182825256612204) internal successors, (118333), 97131 states have internal predecessors, (118333), 0 states have call successors, (0), 0 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 08:32:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97132 states to 97132 states and 118333 transitions. [2024-11-16 08:32:24,247 INFO L78 Accepts]: Start accepts. Automaton has 97132 states and 118333 transitions. Word has length 107 [2024-11-16 08:32:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:24,248 INFO L471 AbstractCegarLoop]: Abstraction has 97132 states and 118333 transitions. [2024-11-16 08:32:24,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.166666666666666) internal successors, (275), 30 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 08:32:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 97132 states and 118333 transitions. [2024-11-16 08:32:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-16 08:32:24,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:24,263 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 08:32:24,277 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 08:32:24,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:32:24,464 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 08:32:24,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash 405027267, now seen corresponding path program 1 times [2024-11-16 08:32:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:24,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980326839] [2024-11-16 08:32:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:24,596 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 08:32:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980326839] [2024-11-16 08:32:24,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980326839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:24,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:24,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:32:24,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575589272] [2024-11-16 08:32:24,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:24,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:32:24,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:24,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:32:24,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:32:24,599 INFO L87 Difference]: Start difference. First operand 97132 states and 118333 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 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 08:32:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:25,500 INFO L93 Difference]: Finished difference Result 135673 states and 164539 transitions. [2024-11-16 08:32:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:32:25,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 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 08:32:25,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:25,632 INFO L225 Difference]: With dead ends: 135673 [2024-11-16 08:32:25,632 INFO L226 Difference]: Without dead ends: 114473 [2024-11-16 08:32:25,669 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 08:32:25,669 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1218 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:25,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 455 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:32:25,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114473 states. [2024-11-16 08:32:26,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114473 to 97075. [2024-11-16 08:32:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97075 states, 97074 states have (on average 1.2182767785400828) internal successors, (118263), 97074 states have internal predecessors, (118263), 0 states have call successors, (0), 0 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 08:32:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97075 states to 97075 states and 118263 transitions. [2024-11-16 08:32:26,990 INFO L78 Accepts]: Start accepts. Automaton has 97075 states and 118263 transitions. Word has length 107 [2024-11-16 08:32:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:32:26,990 INFO L471 AbstractCegarLoop]: Abstraction has 97075 states and 118263 transitions. [2024-11-16 08:32:26,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 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 08:32:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 97075 states and 118263 transitions. [2024-11-16 08:32:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:32:27,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:32:27,008 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:32:27,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 08:32:27,008 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 08:32:27,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:32:27,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1606540726, now seen corresponding path program 1 times [2024-11-16 08:32:27,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:32:27,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681967782] [2024-11-16 08:32:27,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:32:27,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:32:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:32:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:32:27,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:32:27,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681967782] [2024-11-16 08:32:27,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681967782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:32:27,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:32:27,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:32:27,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714375760] [2024-11-16 08:32:27,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:32:27,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:32:27,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:32:27,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:32:27,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:32:27,506 INFO L87 Difference]: Start difference. First operand 97075 states and 118263 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 08:32:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:32:28,079 INFO L93 Difference]: Finished difference Result 203542 states and 247703 transitions. [2024-11-16 08:32:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:32:28,079 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 08:32:28,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:32:28,268 INFO L225 Difference]: With dead ends: 203542 [2024-11-16 08:32:28,268 INFO L226 Difference]: Without dead ends: 157376 [2024-11-16 08:32:28,329 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 08:32:28,330 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 95 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:32:28,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 565 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:32:28,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157376 states. [2024-11-16 08:32:29,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157376 to 106691.